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        <title>PSCS Wiki</title>
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    <item rdf:about="https://wiki.pscs.co.uk/faq:smtp_relay_service?rev=1624955743&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2021-06-29T08:35:43+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>SMTP Relay Service FAQ</title>
        <link>https://wiki.pscs.co.uk/faq:smtp_relay_service?rev=1624955743&amp;do=diff</link>
        <description>SMTP Relay Service FAQ

We provide an SMTP Relay Service for many of our customers. The price starts from £40 (+VAT if applicable) per year, for up to 5000 messages, or 750MB, per month.

How do I order the SMTP Relay Service?

To order the SMTP relay service, either email</description>
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    <item rdf:about="https://wiki.pscs.co.uk/faq:gdpr_hosted_vpop3?rev=1760456581&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-10-14T15:43:01+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>GDPR for hosted VPOP3 service</title>
        <link>https://wiki.pscs.co.uk/faq:gdpr_hosted_vpop3?rev=1760456581&amp;do=diff</link>
        <description>GDPR for hosted VPOP3 service

(Since Brexit, the UK has “UK GDPR” instead of “EU GDPR”, so this document refers to UK GDPR)

Also see GDPR for VPOP3 as most of that applies to the VPOP3 hosting service as well.

This Data Processing Agreement is part of our hosted VPOP3 service terms. You can view the revision history by clicking on the &#039;clock&#039; icon to the right.</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>GDPR for other hosting services (eg web hosting)</title>
        <link>https://wiki.pscs.co.uk/faq:gdpr_other_hosting?rev=1542192349&amp;do=diff</link>
        <description>GDPR for other hosting services (eg web hosting)

As a hosted service provider, we are classed as a “Data Processor” under the GDPR regulations.

For our hosting services:

	*  Data is held in the UK. Data is not transmitted outside of the EU except at your explicit request or command.</description>
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        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>How do I get support?</title>
        <link>https://wiki.pscs.co.uk/faq:how_do_i_get_support?rev=1542192349&amp;do=diff</link>
        <description>How do I get support?

You can get support for our software products in several ways.

By telephone

	*  You can purchase an annual priority support contract. The cost depends on your current VPOP3 licence, and costs 50% of the licence price per year (with a minimum of £100) per software licence (+VAT if applicable) . This entitles you to software upgrades, remote support and telephone support during UK office hours and priority email support where we aim to respond to your email within 3 hours …</description>
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        <dc:date>2021-03-08T10:48:40+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>How to Install VPOP3</title>
        <link>https://wiki.pscs.co.uk/how_to:install_vpop3?rev=1615200520&amp;do=diff</link>
        <description>How to Install VPOP3

Simply download VPOP3 from the website, and run the installation program and follow the prompts.

Occasionally people may have problems with the PostgreSQL part of the installation. If that happens, please contact us either by email at support@pscs.co.uk or by phone to +44 (0)1484 855800, and we will do our best to help.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:installed_new_router_and_now_nothing_works?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>We installed a new router and now nothing works</title>
        <link>https://wiki.pscs.co.uk/how_to:installed_new_router_and_now_nothing_works?rev=1542192349&amp;do=diff</link>
        <description>We installed a new router and now nothing works

If you installed a new router on your network and left it at the default settings, you may find that VPOP3 doesn&#039;t seem to work afterwards. This is because it may be that the new router allocates new IP addresses on your network.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/faq:how_do_i_write_an_email_to_technical_support?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>How do I write an email to technical support?</title>
        <link>https://wiki.pscs.co.uk/faq:how_do_i_write_an_email_to_technical_support?rev=1542192349&amp;do=diff</link>
        <description>How do I write an email to technical support?

Please send the email to support@pscs.co.uk

Note that free technical support is currently only available for version 3.0 and later

When sending the email, please make sure you include all relevant information:</description>
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        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>How To Upgrade VPOP3</title>
        <link>https://wiki.pscs.co.uk/how_to:upgrade_vpop3?rev=1542192349&amp;do=diff</link>
        <description>How To Upgrade VPOP3

Note: if you are upgrading to VPOP3 version 5 or later from version 4 or earlier, please see How To Upgrade VPOP3 to version 5

Upgrading VPOP3 is a straightforward process. Download VPOP3 from our web site and ideally back up your current installation just in case something goes wrong. Then simply run the installer that you downloaded and install it over the top of your existing VPOP3. All your settings and mail will be preserved.</description>
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    <item rdf:about="https://wiki.pscs.co.uk/how_to:automatically_forwarding_spam_to_the_pscs_spamtraps?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>How to automatically forward spam to the PSCS spamtrap</title>
        <link>https://wiki.pscs.co.uk/how_to:automatically_forwarding_spam_to_the_pscs_spamtraps?rev=1542192349&amp;do=diff</link>
        <description>How to automatically forward spam to the PSCS spamtrap

Spam filter companies use “spamtraps” to catch samples of spam for analysis so filters can be updated. We do this here as well.

Most types of spam are already caught by our spam traps, however sometimes people get lots of spam which gets through the filter because their particular type of spam does not currently get sent to our spam traps.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:upgrade_vpop3_to_version_5?rev=1573227472&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2019-11-08T15:37:52+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>How To Upgrade VPOP3 to version 5 or later</title>
        <link>https://wiki.pscs.co.uk/how_to:upgrade_vpop3_to_version_5?rev=1573227472&amp;do=diff</link>
        <description>How To Upgrade VPOP3 to version 5 or later

Upgrading VPOP3 is usually a straightforward process. Download VPOP3 from our web site and back up your current installation just in case something goes wrong. Then simply run the installer that you downloaded and install it over the top of your existing VPOP3. All your settings and mail will be preserved.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/faq:can_you_remotely_log_into_our_vpop3_computer_to_fix_a_problem?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Can you remotely log into our VPOP3 computer to fix a problem?</title>
        <link>https://wiki.pscs.co.uk/faq:can_you_remotely_log_into_our_vpop3_computer_to_fix_a_problem?rev=1542192349&amp;do=diff</link>
        <description>Can you remotely log into our VPOP3 computer to fix a problem?

We can remotely log into your VPOP3 computer if you wish. However, this is not a free service, and needs purchased technical support, either on an annual support contract, or on a pay-per-incident basis (</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/faq:how_can_i_download_old_versions_of_vpop3?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>How can I download old versions of VPOP3?</title>
        <link>https://wiki.pscs.co.uk/faq:how_can_i_download_old_versions_of_vpop3?rev=1542192349&amp;do=diff</link>
        <description>How can I download old versions of VPOP3?

You can download old versions of VPOP3 by going to the VPOP3 downloads page on our website and clicking on the “download previous versions” link near the top of the page

Note that old versions of VPOP3 may no longer be supported under our free email support</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/faq:how_can_i_place_an_order?rev=1544023484&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-12-05T15:24:44+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>How can I place an order</title>
        <link>https://wiki.pscs.co.uk/faq:how_can_i_place_an_order?rev=1544023484&amp;do=diff</link>
        <description>How can I place an order

Online

The easiest way to place an order is online. Click on the Purchase item in our website navigation bar, and select the appropriate product. You will be presented with a price list. Choose the required item and click the</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/faq:i_got_a_copy_of_vpop3_via_trialpay_and_would_like_a_refund?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>I got a copy of VPOP3 via TrialPay and would like a refund</title>
        <link>https://wiki.pscs.co.uk/faq:i_got_a_copy_of_vpop3_via_trialpay_and_would_like_a_refund?rev=1542192349&amp;do=diff</link>
        <description>I got a copy of VPOP3 via TrialPay and would like a refund

If you obtained a VPOP3 Home User licence via &lt;http://www.trialpay.com&gt; and are unhappy with it, you will need to get in touch with TrialPay directly. Our licence is given as a complimentary offer after you have purchased through them, and they have notified us with your details.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/faq:what_is_vpop3_software_maintenance?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>What is Software Maintenance?</title>
        <link>https://wiki.pscs.co.uk/faq:what_is_vpop3_software_maintenance?rev=1542192349&amp;do=diff</link>
        <description>What is Software Maintenance?

VPOP3 Software Maintenance includes basic email support (target turnaround within 3 days) as well as version upgrades  (eg 6.19 to 6.20) free of charge when they are released during the period of validity of your Software Maintenance.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/faq:will_i_receive_a_vat_invoice?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Will I receive a VAT invoice?</title>
        <link>https://wiki.pscs.co.uk/faq:will_i_receive_a_vat_invoice?rev=1542192349&amp;do=diff</link>
        <description>Will I receive a VAT invoice?

We always send out VAT invoices for all purchases. These are sent as PDF files by email within a few days after your purchase. You can also access the invoices on our website, by logging into our website using your login details.

vat invoice</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:seeing_where_a_message_came_from?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Seeing where a message came from</title>
        <link>https://wiki.pscs.co.uk/how_to:seeing_where_a_message_came_from?rev=1542192349&amp;do=diff</link>
        <description>Seeing where a message came from

Sometimes you need to check to see where a message really came from. The &#039;From:&#039; email address is easily forged, so that cannot be relied upon.

The first thing you have to do is to get the full message headers. These may look daunting, but are very useful for problem diagnosis.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:v3_-_move_to_a_new_pc?rev=1573574948&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2019-11-12T16:09:08+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Move VPOP3 Version 3 or 4 to a new PC</title>
        <link>https://wiki.pscs.co.uk/how_to:v3_-_move_to_a_new_pc?rev=1573574948&amp;do=diff</link>
        <description>Move VPOP3 Version 3 or 4 to a new PC

Moving VPOP3 Version 3 or 4 to a new PC is slightly different from moving earlier versions, because of the database system.

The summary of steps is:

	*  Stop VPOP3 on the original PC
	*  Manually make a backup of the database on the original PC</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:whats_new_in_version_5_webmail?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>What&#039;s new in version 5 webmail?</title>
        <link>https://wiki.pscs.co.uk/reference:whats_new_in_version_5_webmail?rev=1542192349&amp;do=diff</link>
        <description>What&#039;s new in version 5 webmail?

This is a list of some of the most noticeable changes to VPOP3&#039;s webmail interface for version 5. For a more detailed list of changes, view our bugtracker.

[VPOP3 Version 5 - mobile compatible webmail]

Mobile compatible webmail

If you access version 5 webmail from a mobile device, you will probably be redirected to the mobile compatible version. It is a cut-down version of Webmail, which retains the key features, but doesn&#039;t utilise the extra features which w…</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/start?rev=1664624204&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2022-10-01T11:36:44+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>VPOP3 Wiki</title>
        <link>https://wiki.pscs.co.uk/start?rev=1664624204&amp;do=diff</link>
        <description>VPOP3 Wiki

Welcome to the VPOP3 Wiki. Here you will find VPOP3 documentation, FAQs and “How To” articles

	*  FAQs
	*  How Tos / Troubleshooting
	*  Reference
	*  Tips &amp; Tricks

If you want to add information, hints &amp; tips, etc, you can register on this Wiki and modify or create new pages. Please don&#039;t ask questions on the Wiki; if you have a question, ask it on</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/faq:can_i_change_the_vpop3_licence_owner_name?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Can I change the VPOP3 licence owner name?</title>
        <link>https://wiki.pscs.co.uk/faq:can_i_change_the_vpop3_licence_owner_name?rev=1542192349&amp;do=diff</link>
        <description>Can I change the VPOP3 licence owner name?

The VPOP3 licence owner name is tied to the licence key, so you cannot just change the name without getting a new licence key.

There is generally no need to change the licence owner name since it is not published anywhere, but if you really must change the name, then you can request a name change if you upgrade to a later version or larger size of VPOP3 or there is a £10 administration fee if you just want to change the name without upgrading the lice…</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/faq:dnssec?rev=1568900489&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2019-09-19T13:41:29+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>DNSSEC</title>
        <link>https://wiki.pscs.co.uk/faq:dnssec?rev=1568900489&amp;do=diff</link>
        <description>DNSSEC

DNSSEC (Domain Name System Security Extensions) is used to secure DNS records and prevent them from man-in-the-middle attacks and spoofing. DNSSEC has been around for 10 years, but it has generally not been widely adopted for various reasons, but it is</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/faq:faq?rev=1773867093&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-03-18T20:51:33+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Frequently Asked Questions</title>
        <link>https://wiki.pscs.co.uk/faq:faq?rev=1773867093&amp;do=diff</link>
        <description>Frequently Asked Questions

Pre-Sales Questions

	*  What is the difference between VPOP3 Basic/Standard and VPOP3 Enterprise?
	*  Do I have to pay VAT?
	*  Will I receive a VAT invoice?
	*  What are the limitations of the Home User licence

Sales Questions

	*  How can I place an order?
	*  Can I add two licences together?
	*  I got a copy of VPOP3 via Trialpay and would like a refund

General

	*  How do I get support?
	*  VPOP3 Roadmap
	*  What do I do if I have lost my VPOP3 licence details?…</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/faq:gdpr_for_vpop3?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>GDPR for VPOP3 self-hosted software</title>
        <link>https://wiki.pscs.co.uk/faq:gdpr_for_vpop3?rev=1542192349&amp;do=diff</link>
        <description>GDPR for VPOP3 self-hosted software

VPOP3 is an email server program, it is not a service, so if you use VPOP3 on your own computer we are not a “data controller” or a “data processor” under GDPR rules as we never see any of your data (unless you give us permission to remotely connect to your PC for technical support purposes).</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/faq:lost_licence_details?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Lost Licence Details</title>
        <link>https://wiki.pscs.co.uk/faq:lost_licence_details?rev=1542192349&amp;do=diff</link>
        <description>Lost Licence Details

If you have lost your VPOP3 licence key, we will be able to find it for you, but we do have to make a nominal charge of £5.00 (+ VAT if applicable) to search for it as it is a time consuming task.

If you need us to do this search, then email sales@pscs.co.uk.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/faq:vpop3av?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>What is the VPOP3 Antivirus solution?</title>
        <link>https://wiki.pscs.co.uk/faq:vpop3av?rev=1542192349&amp;do=diff</link>
        <description>What is the VPOP3 Antivirus solution?

“VPOP3 Antivirus” is a new product to replace the avast! for VPOP3 product which will no longer be supported after the end of 2012.

VPOP3 Antivirus uses the popular &#039;ClamAV&#039; virus scanner to scan incoming and outgoing messages for viruses.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/faq:what_is_vpop3_upgrade_protection?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>What is Software Maintenance?</title>
        <link>https://wiki.pscs.co.uk/faq:what_is_vpop3_upgrade_protection?rev=1542192349&amp;do=diff</link>
        <description>What is Software Maintenance?

VPOP3 Software Maintenance includes basic email support (target turnaround within 3 days) as well as version upgrades  (eg 4.x to 5.x) free of charge when they are released during the period of validity of your Software Maintenance.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/faq:which_versions_of_windows?rev=1773867221&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-03-18T20:53:41+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Which versions of Windows will VPOP3 run on?</title>
        <link>https://wiki.pscs.co.uk/faq:which_versions_of_windows?rev=1773867221&amp;do=diff</link>
        <description>Which versions of Windows will VPOP3 run on?

(Note - no version of VPOP3 will run on “Windows 10 S”)

Version 9.0 or later

VPOP3 version 9.0 or later requires Windows 8.1/2012R2 later. It needs a 64 bit version of Windows.

Version 8.0 or later

VPOP3 version 8.0 or later requires Windows 7/2008R2 SP1 or later. It should run on both 32 bit and 64 bit Windows.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:421_4.3.2_vpop3_smtp_server_access_disabled_-_content_scanner_problem?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>421 4.3.2 VPOP3 SMTP Server access disabled - content scanner problem!</title>
        <link>https://wiki.pscs.co.uk/how_to:421_4.3.2_vpop3_smtp_server_access_disabled_-_content_scanner_problem?rev=1542192349&amp;do=diff</link>
        <description>421 4.3.2 VPOP3 SMTP Server access disabled - content scanner problem!

This usually happens if the “VPOP3 AV” virus scanner has a problem it can&#039;t automatically recover from. This may be a fatal error, or a licencing issue.

You can check this on the Settings</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:550_5.7.1_relaying_not_allowed_bad_sender_ip_address?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>550 5.7.1 Relaying not allowed! Bad sender IP address</title>
        <link>https://wiki.pscs.co.uk/how_to:550_5.7.1_relaying_not_allowed_bad_sender_ip_address?rev=1542192349&amp;do=diff</link>
        <description>550 5.7.1 Relaying not allowed! Bad sender IP address

This SMTP error message means that the computer which is sending the message is not permitted to send outgoing messages based on the VPOP3 SMTP Service&#039;s Access Restrictions.

This is probably because someone is trying to send messages from outside your local network, and you have not configured VPOP3 to allow this. You have to be careful when allowing this, because you may configure VPOP3 to be an open-relay, which is a</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:10054?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Socket Error 10054 - The virtual circuit was reset by the remote end</title>
        <link>https://wiki.pscs.co.uk/how_to:10054?rev=1542192349&amp;do=diff</link>
        <description>Socket Error 10054 - The virtual circuit was reset by the remote end

Error 10054 means that the connection between VPOP3 and a remote computer (eg the ISP or another computer on your LAN) was disconnected by something outside of VPOP3.

This is often caused by anti-virus software or Internet security/firewall on the VPOP3 machine but it could be any of a number of things. Any software or hardware that is sitting between VPOP3 and the ISP could be the root cause.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:backup_vpop3?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>How to Backup VPOP3</title>
        <link>https://wiki.pscs.co.uk/how_to:backup_vpop3?rev=1542192349&amp;do=diff</link>
        <description>How to Backup VPOP3

By default VPOP3 v3 and later will automatically perform a daily backup of the database into a file called DBBACK-x.DMP, where the backup file rotates on a weekly basis (DBBACK-0.DMP is Sunday&#039;s backup, DBBACK-1.DMP is Monday&#039;s backup, etc).</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:database_issues?rev=1757595765&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-09-11T13:02:45+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Database Issues</title>
        <link>https://wiki.pscs.co.uk/how_to:database_issues?rev=1757595765&amp;do=diff</link>
        <description>Database Issues

VPOP3 version 3 and later use the PostgreSQL] database server. This is an open source enterprise level database server. Several VPOP3 problems are due to problems with the database service.

	*  Database &amp; Disk Caching
	*  Software conflicting with database
	*  VPOP3DB Service not starting
	*  Database Size

Database corruption

If VPOP3 won&#039;t start even though the process is running, then that is often because the PostgreSQL service is not running. If the PostgreSQL service won…</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:database_maintenance?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Database Maintenance</title>
        <link>https://wiki.pscs.co.uk/how_to:database_maintenance?rev=1542192349&amp;do=diff</link>
        <description>Database Maintenance

VPOP3 uses the PostgreSQL database server for most of its data storage.

Normally this will not require any special maintenance, because it will manage itself.

To do any special database maintenance you will need to close down VPOP3 first, because PostgreSQL needs exclusive access to the database to perform any operations such as decreasing the size of database files. Note that these operations may take some time! There are some PostgreSQL utility programs in the VPOP3\pgs…</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:database_size?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>VPOP3 Database Size</title>
        <link>https://wiki.pscs.co.uk/how_to:database_size?rev=1542192349&amp;do=diff</link>
        <description>VPOP3 Database Size

The VPOP3 directory is stored in the VPOP3\pgsql\data folder and subfolders.

If you are concerned about the size of the VPOP3 database, there are several factors which may make the database larger than you would expect:

	*  The VPOP3 database contains a lot more information than just messages in mailboxes. This can include settings, outgoing messages, historical logging information, statistical information for the spamfilter, information about archived messages, etc. Also,…</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:error_messages?rev=1759764097&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-10-06T15:21:37+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Error Messages</title>
        <link>https://wiki.pscs.co.uk/how_to:error_messages?rev=1759764097&amp;do=diff</link>
        <description>Error Messages

This is the place to look if you are trying to trouble shoot a problem and you have received or have access to a specific error message or error code. If instead your problem is that something you think is set up correctly is not working then the best place to look would be the</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:exchange_2003?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Setting up VPOP3 to work with Exchange 2003</title>
        <link>https://wiki.pscs.co.uk/how_to:exchange_2003?rev=1542192349&amp;do=diff</link>
        <description>Setting up VPOP3 to work with Exchange 2003

The instructions below are for Exchange Server 2003. For other versions of Exchange see here.

You can link VPOP3 to Exchange Server, so that Exchange Server sends outgoing mail through VPOP3 and VPOP3 sends any incoming mail directly to Exchange Server.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:full_text_search?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Full Text Search</title>
        <link>https://wiki.pscs.co.uk/how_to:full_text_search?rev=1542192349&amp;do=diff</link>
        <description>Full Text Search

In VPOP3 Enterprise v7.0 a facility for full-text-search on message content was added. Because the full-text-search indexes can be quite big, this facility is optional.

For several reasons, the full-text-search is stored in a separate PostgreSQL database. This means that it is not backed up with your standard backups. After a restore, the full-text-search index can be rebuilt from the raw message content.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:how_to?rev=1773865250&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-03-18T20:20:50+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>&quot;How To&quot; Articles</title>
        <link>https://wiki.pscs.co.uk/how_to:how_to?rev=1773865250&amp;do=diff</link>
        <description>&quot;How To&quot; Articles

Installation/Upgrades

	*  Download VPOP3
	*  Install VPOP3
	*  Move VPOP3
	*  Upgrade VPOP3
	*  Upgrade VPOP3 to version 5.x or 6.x from version 4 or earlier
	*  Upgrade VPOP3 to version 7.x from version 6 or earlier
	*  Upgrade VPOP3 to version 8.x from version 7 or earlier 
	*  Upgrade VPOP3 to version 9 or later from version 7 or 8
	*  Performance Requirements
	*  Installation Checklist

General Configuration

	*  Initial Configuration
	*  Users
	*  Add an Alias
	*  Create…</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:lan_forward_warning_-_452_4.3.1_insufficient_system_resources?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>LAN Forward Warning: 452 (4.3.1 Insufficient system resources)</title>
        <link>https://wiki.pscs.co.uk/how_to:lan_forward_warning_-_452_4.3.1_insufficient_system_resources?rev=1542192349&amp;do=diff</link>
        <description>LAN Forward Warning: 452 (4.3.1 Insufficient system resources)

If you get this message in VPOP3 it means that VPOP3 is trying to forward a message on to another mail server (probably Microsoft Exchange Server), and that other server is rejecting the message with the error</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:move_vpop3?rev=1573574974&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2019-11-12T16:09:34+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>How To: Move VPOP3</title>
        <link>https://wiki.pscs.co.uk/how_to:move_vpop3?rev=1573574974&amp;do=diff</link>
        <description>How To: Move VPOP3

You can usually move VPOP3 without having to uninstall and reinstall. It is best to move VPOP3 rather than reinstalling from scratch on the new PC or in the new location, because that way you can keep all your existing settings, rather than having to try to recreate them.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:mozilla_thunderbird?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>How to configure Mozilla Thunderbird</title>
        <link>https://wiki.pscs.co.uk/how_to:mozilla_thunderbird?rev=1542192349&amp;do=diff</link>
        <description>How to configure Mozilla Thunderbird

This article won&#039;t show you all the possible settings in Thunderbird, because there are so many. Thunderbird is one of the most powerful &amp; flexible email clients available at the time of writing, especially if you use IMAP4 (with VPOP3 Enterprise).</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:obtaining_error_logs?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>How to Obtain Error Logs</title>
        <link>https://wiki.pscs.co.uk/how_to:obtaining_error_logs?rev=1542192349&amp;do=diff</link>
        <description>How to Obtain Error Logs

As part of diagnosing a support issue our support team may ask you to send them various log files. This page explains how to obtain the right files at the right time.

How Logging Works

Under its default settings VPOP3 logs a minimal amount of information about what it is doing to various files in the main VPOP3 directory. When investigating a support issue it is often the case that we will need you to switch on logging to extra files or increase the level of detail be…</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:performance_requirements?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Performance Requirements</title>
        <link>https://wiki.pscs.co.uk/how_to:performance_requirements?rev=1542192349&amp;do=diff</link>
        <description>Performance Requirements

The performance requirements for VPOP3 depends on many factors, so we can&#039;t give specific details for any scenario.

How to detect limiting factors

	*  Use the Windows Performance Monitor (perfmon.msc)
	*  Add counters for:</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:repairing_corrupted_database?rev=1705318545&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2024-01-15T11:35:45+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Repairing corrupted database</title>
        <link>https://wiki.pscs.co.uk/how_to:repairing_corrupted_database?rev=1705318545&amp;do=diff</link>
        <description>Repairing corrupted database

With PostgreSQL (as with most high-end databases) the database system will automatically recover after power failures etc, if it can. If it can&#039;t then there is no manual &#039;repair&#039; function, because the data cannot totally be recovered (or it would automatically have been recovered).</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:signing_outgoing_mail_with_dkim?rev=1595413960&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-07-22T10:32:40+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Signing outgoing mail with DKIM</title>
        <link>https://wiki.pscs.co.uk/how_to:signing_outgoing_mail_with_dkim?rev=1595413960&amp;do=diff</link>
        <description>Signing outgoing mail with DKIM

DKIM, also known as DomainKeys Identified Mail, is a form of email authentication that digitally signs emails to prove that they were sent from authorized domains and aren&#039;t fake emails. Companies like Google and Yahoo use DKIM to sign their emails and it is becoming ever more popular.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:v2_-_move_to_a_new_pc?rev=1573574804&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2019-11-12T16:06:44+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>How To Move VPOP3 Version 2 to a New PC</title>
        <link>https://wiki.pscs.co.uk/how_to:v2_-_move_to_a_new_pc?rev=1573574804&amp;do=diff</link>
        <description>How To Move VPOP3 Version 2 to a New PC

(Also applies to version 1.x)

To move VPOP3 to a new PC you should go through the following steps:

	*  Copy the VPOP3 files
		*  Copy the VPOP3 directory and subdirectories from the old PC to the new PC. (If you are moving to Windows Vista/2008/7/2012/8 or later, do NOT copy the files to a &#039;Program Files&#039; folder on the new PC. Recent versions of Windows have special protection for those folders, which is not compatible with VPOP3)</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:v3_-_move_message_store?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>How to move the VPOP3 Message Store to a new PC</title>
        <link>https://wiki.pscs.co.uk/how_to:v3_-_move_message_store?rev=1542192349&amp;do=diff</link>
        <description>How to move the VPOP3 Message Store to a new PC

Use this option if you want to have VPOP3 running on one PC, but have the message store database on another PC.

Manually Install PostgreSQL on the new PC

Download the &#039;pgInstaller&#039; version of PostgreSQL from the</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:v5_-_move_to_a_new_pc?rev=1776769960&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-04-21T11:12:40+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Move VPOP3 Version 5 (or later) to a new PC</title>
        <link>https://wiki.pscs.co.uk/how_to:v5_-_move_to_a_new_pc?rev=1776769960&amp;do=diff</link>
        <description>Move VPOP3 Version 5 (or later) to a new PC

Moving VPOP3 Version 5 or later to a new PC is slightly different from moving earlier versions, because of the database system, which was introduced for version 3 and modified for version 5.

The summary of steps is:

	*  Stop VPOP3 on the original PC</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:write_your_own_spam_filter_rules?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>How to write your own spam filter rules</title>
        <link>https://wiki.pscs.co.uk/how_to:write_your_own_spam_filter_rules?rev=1542192349&amp;do=diff</link>
        <description>How to write your own spam filter rules

VPOP3&#039;s spam filter uses a basic scripting language designed for filtering email messages, so a full description of writing your own rules would be very long and complex, as it is really something that only a programmer should do.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/lan_forward_warning:452_4.3.1_insufficient_system_resources?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>LAN Forward Warning: 452 (4.3.1 Insufficient system resources)</title>
        <link>https://wiki.pscs.co.uk/lan_forward_warning:452_4.3.1_insufficient_system_resources?rev=1542192349&amp;do=diff</link>
        <description>LAN Forward Warning: 452 (4.3.1 Insufficient system resources)

If you get this message in VPOP3 it means that VPOP3 is trying to forward a message on to another mail server (probably Microsoft Exchange Server), and that other server is rejecting the message with the error</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:diagnostics?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Settings -&gt; Diagnostics</title>
        <link>https://wiki.pscs.co.uk/reference:diagnostics?rev=1542192349&amp;do=diff</link>
        <description>Settings -&gt; Diagnostics

The Diagnostics page allows you to enable, configure and disable various methods of diagnostic logging, within VPOP3.

Log file overview

By default, VPOP3 will keep two copies of most log files:

	*  The current log file, with a</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:lan_forwarding_configuration?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title></title>
        <link>https://wiki.pscs.co.uk/reference:lan_forwarding_configuration?rev=1542192349&amp;do=diff</link>
        <description>See our online manual

&lt;http://www.pscs.co.uk/manual/index.html?localmail_lanforwarding_configuration.html&gt;</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:lua_scripting?rev=1774568941&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-03-26T23:49:01+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Lua Scripting</title>
        <link>https://wiki.pscs.co.uk/reference:lua_scripting?rev=1774568941&amp;do=diff</link>
        <description>Lua Scripting

Lua is a simple scripting programming language often used for embedding in other applications. VPOP3 uses it to customise behaviour in places where most people will be happy with the default behaviour, but occasionally people will want to do something more complicated. Rather than having lots of extra options to complicate things for most users, we have opted to go for a more flexible scripting facility.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:pop3_general?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>POP3 Server -&gt; General Tab</title>
        <link>https://wiki.pscs.co.uk/reference:pop3_general?rev=1542192349&amp;do=diff</link>
        <description>POP3 Server -&gt; General Tab

Services -&gt; POP3 Server -&gt; General tab

This page sets the general settings for the POP3 service component in VPOP3. The POP3 service is how users collect their email from VPOP3 using a POP3 email client

Service Name

The Service Name is a name you give the service for your reference. It is only used in administrative displays and logging, so the name doesn&#039;t matter. Most people leave it at the default.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:smtp_general?rev=1542192349&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-11-14T10:45:49+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>SMTP -&gt; General tab</title>
        <link>https://wiki.pscs.co.uk/reference:smtp_general?rev=1542192349&amp;do=diff</link>
        <description>SMTP -&gt; General tab

This page is reached from Services -&gt; SMTP Server, then the General tab.

This page lets you set general settings for the SMTP service component of VPOP3. The SMTP service is how users send outgoing mail, and how incoming SMTP messages arrive.

Service Name</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:spam_filter_rules?rev=1674057433&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2023-01-18T15:57:13+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Spam Filter Rules</title>
        <link>https://wiki.pscs.co.uk/reference:spam_filter_rules?rev=1674057433&amp;do=diff</link>
        <description>Spam Filter Rules

VPOP3 Versions 2.1.7 and later have a built-in spam filter system which supports a simple script language optimised for content- and spam-filtering of email messages.

This reference contains a definition of the spam filtering script language supported by VPOP3. Note that as later versions of VPOP3 are released, more language features may be added, so this reference indicates in which version of VPOP3 a particular feature was added.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:user_routing_script?rev=1679913138&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2023-03-27T10:32:18+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>User Routing Script</title>
        <link>https://wiki.pscs.co.uk/reference:user_routing_script?rev=1679913138&amp;do=diff</link>
        <description>User Routing Script

If there is a &lt;username&gt;/user_redirect.lua script, this Lua script can override VPOP3&#039;s message routing options. You can edit this either in the Settings -&gt; Scripts page in the settings, or via the &#039;Routing&#039; tab in the user&#039;s settings in the VPOP3 administration console. This script affects how VPOP3 will handle how messages</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/wiki:welcome?rev=1664623959&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2022-10-01T11:32:39+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Welcome to your new DokuWiki</title>
        <link>https://wiki.pscs.co.uk/wiki:welcome?rev=1664623959&amp;do=diff</link>
        <description>Welcome to your new DokuWiki

Congratulations, your wiki is now up and running. Here are a few more tips to get you started.

Enjoy your work with DokuWiki,

-- the developers

Create your first pages

Your wiki needs to have a start page. As long as it doesn&#039;t exist, this link will be red:</description>
    </item>
</rdf:RDF>
