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        <link>https://wiki.pscs.co.uk/</link>
        <url>https://wiki.pscs.co.uk/_media/wiki:dokuwiki.svg</url>
    </image>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:vpop3_deleting_messages_as_old_messages?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 Deleting messages as &#039;old&#039; messages</title>
        <link>https://wiki.pscs.co.uk/how_to:vpop3_deleting_messages_as_old_messages?rev=1542192349&amp;do=diff</link>
        <description>VPOP3 Deleting messages as &#039;old&#039; messages

If VPOP3 says &#039;deleting old message&#039; in the status window activity log that means that it has seen the unique ID of that message before, longer ago than the time specified for VPOP3 to leave messages on the server, so it thinks that the message is an old message, and so deletes it.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:your_connection_has_been_blocked_temporarily_-_try_again_later?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>Error message: Your connection has been blocked temporarily - Try again later</title>
        <link>https://wiki.pscs.co.uk/how_to:your_connection_has_been_blocked_temporarily_-_try_again_later?rev=1542192349&amp;do=diff</link>
        <description>Error message: Your connection has been blocked temporarily - Try again later

If you get an error message in your email client software saying Your connection has been blocked temporarily - Try again later or Server access temporarily blocked! Please try again later</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:incoming_smtp_feed?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>Incoming SMTP Feed</title>
        <link>https://wiki.pscs.co.uk/how_to:incoming_smtp_feed?rev=1542192349&amp;do=diff</link>
        <description>Incoming SMTP Feed

An incoming SMTP feed is where incoming mail is sent directly to your mail server without going through your ISP&#039;s POP3 mail server on the way. 

Advantages

An incoming SMTP feed has several advantages over going via a POP3 mailbox:</description>
    </item>
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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>Outlook/Windows Messaging reports &quot;No transport provider is available&quot;</title>
        <link>https://wiki.pscs.co.uk/how_to:no_transport_provider_is_available?rev=1542192349&amp;do=diff</link>
        <description>Outlook/Windows Messaging reports &quot;No transport provider is available&quot;

If Outlook or Windows Messaging reports No transport provider is available when trying to connect to VPOP3, it can mean several things. (This must be a contender for “the world&#039;s most meaningless error message</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:whitelist_blacklist?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>Spamfilter Whitelist &amp; Blacklist</title>
        <link>https://wiki.pscs.co.uk/how_to:whitelist_blacklist?rev=1542192349&amp;do=diff</link>
        <description>Spamfilter Whitelist &amp; Blacklist

The VPOP3 spamfilter has a whitelist and a blacklist for sender addresses. It also has a whitelist and blacklist for words/phrases.

You can view these lists in the VPOP3 settings by going to Settings -&gt; Spamfilter -&gt;</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:error_handling_script?rev=1700475481&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2023-11-20T10:18:01+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Error Handling Scripting</title>
        <link>https://wiki.pscs.co.uk/reference:error_handling_script?rev=1700475481&amp;do=diff</link>
        <description>Error Handling Scripting

For most error messages that VPOP3 generates, it allows control of error messages, eg to limit the frequency of error messages if they would be generated repeatedly. These limits are set in Settings -&gt; Admin Settings -&gt; Message Control. However, if you want more granular control, you can use Lua scripting for more fine-grained control</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:mappings?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>Mappings</title>
        <link>https://wiki.pscs.co.uk/reference:mappings?rev=1542192349&amp;do=diff</link>
        <description>Mappings

In VPOP3, Mappings are a way of explicitly linking an email address to a user or list. They can also be used to indicate that an email address is remote, even though it would otherwise appear to be a local email address.

In other email servers, a similar feature may be called &#039;aliases&#039;</description>
    </item>
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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>Mail Connectors -&gt; Connector Schedule</title>
        <link>https://wiki.pscs.co.uk/reference:schedule?rev=1542192349&amp;do=diff</link>
        <description>Mail Connectors -&gt; Connector Schedule

The Connector Schedule tells VPOP3 when to connect to send mail using Mail Senders and collect mail using Mail Collectors. It does not affect incoming SMTP over a permanent connection, or LAN Forwarding.

The connection schedule also tells VPOP3 when to check for updates to the</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:smtp_advanced?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 Service -&gt; Advanced Tab</title>
        <link>https://wiki.pscs.co.uk/reference:smtp_advanced?rev=1542192349&amp;do=diff</link>
        <description>SMTP Service -&gt; Advanced Tab

Services -&gt; SMTP Server -&gt; Advanced Tab

Refuse SMTP Connections from

This setting should be rarely needed, and should be normally left blank. It is here for historic purposes.

If you put some text in this box, then VPOP3 will refuse any SMTP connections from clients whose &#039;HELO&#039;/&#039;EHLO&#039; command data contains the text specified here as a substring. Eg, if this setting is set to &#039;.myisp.com&#039;, then VPOP3 would refuse SMTP connections from any client which sends the c…</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: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>
    </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/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:421_4.3.2_vpop3_too_many_connections_from_your_ip_address_-_try_later?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 Too many connections from your IP address - try later</title>
        <link>https://wiki.pscs.co.uk/how_to:421_4.3.2_vpop3_too_many_connections_from_your_ip_address_-_try_later?rev=1542192349&amp;do=diff</link>
        <description>421 4.3.2 VPOP3 Too many connections from your IP address - try later

If you see this error message when you are sending messages, then it means that VPOP3 has detected too many simultaneous connections from your IP address.

This would usually happen if the sender is another mail server as they can make many simultaneous connections when there are lots of messages to send. The error code that VPOP3 gives means that the sender should try sending the messages later, so it should be possible to e…</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_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:filtering_attachments?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 filter attachments</title>
        <link>https://wiki.pscs.co.uk/how_to:filtering_attachments?rev=1542192349&amp;do=diff</link>
        <description>How to filter attachments

VPOP3 can filter attachments in several ways.

The most general is to use the Settings -&gt; Attachment Processing -&gt; Filtering tab as described below.

VPOP3 can also filter attachments using the content/spam filter, or by using an integrated virus scanner.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:ghost_folders?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>IMAP4 &#039;Ghost Folders&#039;</title>
        <link>https://wiki.pscs.co.uk/how_to:ghost_folders?rev=1542192349&amp;do=diff</link>
        <description>IMAP4 &#039;Ghost Folders&#039;

Sometimes your IMAP4 email client may show folders in the folder tree, but when you select them, you get an error that the folder does not exist.

This happens because IMAP4 has the concept of being able to &#039;subscribe&#039; to folders - this means that you can hide folders by unsubscribing from them.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:handling_mail_for_multiple_incoming_domains?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>Handling mail for multiple incoming domains</title>
        <link>https://wiki.pscs.co.uk/how_to:handling_mail_for_multiple_incoming_domains?rev=1542192349&amp;do=diff</link>
        <description>Handling mail for multiple incoming domains

VPOP3 can easily handle mail for several incoming domains.

Exactly how you do it depends on the exact situation.

All domains are &#039;aliases&#039;

If the domains are aliases of each other, for instance, you have &#039;mycompany.com&#039; and &#039;mycompany.org&#039;, both of which are the same, so each address at mycompany.com also exists at mycompany.org, and the emails go to the same people regardless of which domain is used, then you simply configure the domains in the ma…</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:how_to_tell_vpop3_some_users_in_the_local_domain_are_not_to_be_handled_by_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 tell VPOP3 that some users in the local domain are not to be handled by VPOP3</title>
        <link>https://wiki.pscs.co.uk/how_to:how_to_tell_vpop3_some_users_in_the_local_domain_are_not_to_be_handled_by_vpop3?rev=1542192349&amp;do=diff</link>
        <description>How to tell VPOP3 that some users in the local domain are not to be handled by VPOP3

In some situations you will have a situation where most of your users are handled by VPOP3, but several users will collect their mail directly from a separate POP3 account on your ISP, even though they may have an email address on the same domain as other users.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:iphone?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 an iPhone/iPad/iPod Touch</title>
        <link>https://wiki.pscs.co.uk/how_to:iphone?rev=1542192349&amp;do=diff</link>
        <description>Setting up an iPhone/iPad/iPod Touch

To set up an iPhone to access VPOP3&#039;s mail, you first of all need to configure VPOP3 to allow access by remote users (unless you will only be using the iPhone in the office, connected via WiFi to the office LAN).

Adding the mail account to your iPhone/iPad</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:limit_size_of_sent_mail?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 limit size of sent mail</title>
        <link>https://wiki.pscs.co.uk/how_to:limit_size_of_sent_mail?rev=1542192349&amp;do=diff</link>
        <description>How to limit size of sent mail

There are several ways to limit the size of mail which can be sent

	*  Limit the size of mail accepted by the SMTP component of VPOP3
	*  Limit the size sent for a particular user
	*  Limit size based on &#039;rules&#039;
	*  Limit size based on</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:locked_accounts?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>Locked Accounts</title>
        <link>https://wiki.pscs.co.uk/how_to:locked_accounts?rev=1542192349&amp;do=diff</link>
        <description>Locked Accounts

VPOP3 has a security feature which will lock out an account after it has had several failed login attempts. This feature is to make it harder for an attacker to use a brute force or dictionary password attack on an account.

The default settings are that after more than 3 attempts to log into an account with an incorrect password, VPOP3 will lock the account for 30 minutes. You can change these settings on the</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:mail_not_downloading_from_isp?rev=1775498387&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-04-06T17:59:47+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Mail Not Downloading From ISP</title>
        <link>https://wiki.pscs.co.uk/how_to:mail_not_downloading_from_isp?rev=1775498387&amp;do=diff</link>
        <description>Mail Not Downloading From ISP

This normally happens because you have told VPOP3 to Leave Messages On Server (on the Mail Connectors -&gt; Mail Collectors -&gt; (name) -&gt; POP3 General tab). If you do this, VPOP3 will leave messages on the ISP&#039;s mail server for several days, and remember that it has already downloaded them. Then, the next time it connects it will see that there are some messages waiting, but it may find that it has already downloaded them, so it won&#039;t download them again.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:many_instances_of_postgres.exe_running?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>Many instances of Postgres.exe are running</title>
        <link>https://wiki.pscs.co.uk/how_to:many_instances_of_postgres.exe_running?rev=1542192349&amp;do=diff</link>
        <description>Many instances of Postgres.exe are running

If you are running VPOP3 3.0 or later, and look in the &#039;Processes&#039; list in Windows TaskManager you will probably see multiple instances of postgres.exe running.

This is perfectly normal, and does not indicate a problem. The PostgreSQL database works by having a separate instance of postgres.exe for each connection to the database (as well as a few extra for management and house keeping). This behaviour is documented on the</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:postgresql_server_won_t_start_due_to_damaged_log_files?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>PostgreSQL server won&#039;t start due to damaged log files</title>
        <link>https://wiki.pscs.co.uk/how_to:postgresql_server_won_t_start_due_to_damaged_log_files?rev=1542192349&amp;do=diff</link>
        <description>PostgreSQL server won&#039;t start due to damaged log files

If the PostgreSQL server won&#039;t start at all, because its transaction logs are damaged, you will probably need to recreate the database store totally.

To rebuild the database:

	*  Open a command prompt and find the VPOP\pgsql folder</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:restore_a_database_backup?rev=1765963180&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-12-17T09:19:40+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Restore a database backup</title>
        <link>https://wiki.pscs.co.uk/how_to:restore_a_database_backup?rev=1765963180&amp;do=diff</link>
        <description>Restore a database backup

By default VPOP3 makes a daily backup of the VPOP3 database to a file &#039;DBBACK-n.DMP&#039; in the VPOP3 installation directory (it is possible to change this in the settings). These are cycled on a weekly basis so you will usually have the last seven days&#039; worth of backups. These can be useful if the database gets damaged somehow.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:savservice.exe_runs_at_90_and_slows_the_computer_down?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>SAVSERVICE.EXE runs at 90%+ and slows the computer down</title>
        <link>https://wiki.pscs.co.uk/how_to:savservice.exe_runs_at_90_and_slows_the_computer_down?rev=1542192349&amp;do=diff</link>
        <description>SAVSERVICE.EXE runs at 90%+ and slows the computer down

If you are using Sophos Antivirus on the VPOP3 computer, you may encounter a situation where the computer runs very slowly. If you use the Processes tab in TaskManager you may notice that the SAVSERVICE.EXE process is using most of the CPU.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:sender_policy_framework?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>Sender Policy Framework / SPF</title>
        <link>https://wiki.pscs.co.uk/how_to:sender_policy_framework?rev=1542192349&amp;do=diff</link>
        <description>Sender Policy Framework / SPF

SPF is a system used to tell mail servers which IP addresses can send mail from which domains. It is designed to reduce &#039;spoofing&#039; of email addresses. For instance, if you receive an email message from your bank, your mail software can check that it came from an IP address authorised to send mail from your bank, and treat the message with suspicion if it didn&#039;t come from an authorised IP address.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:start_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 start VPOP3</title>
        <link>https://wiki.pscs.co.uk/how_to:start_vpop3?rev=1542192349&amp;do=diff</link>
        <description>How to start VPOP3

There are two ways to start VPOP3

	*  as a service
	*  as a normal application

For normal operation, you will start VPOP3 as a service, as this means that VPOP3 will run even when no one is logged into the PC.
To help with some types of problem diagnosis it can be better to start it as an application. This makes VPOP3 run in the account of the currently logged in user, rather than the service account, so it can eliminate access permission problems. Also, when VPOP3 starts a…</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:timeout_problems_when_sending_or_receiving_attachments?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>Timeout problems downloading/uploading messages with attachments</title>
        <link>https://wiki.pscs.co.uk/how_to:timeout_problems_when_sending_or_receiving_attachments?rev=1542192349&amp;do=diff</link>
        <description>Timeout problems downloading/uploading messages with attachments

There are various possible reasons for this, usually to do with third party internet security software but they may also be associated with Windows TCP/IP or dial-up adapter issues. You may not have problems with other software, but that doesn&#039;t mean the problem is being caused by VPOP3.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:transmission_receipt?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>Transmission Receipt Message</title>
        <link>https://wiki.pscs.co.uk/how_to:transmission_receipt?rev=1542192349&amp;do=diff</link>
        <description>Transmission Receipt Message

This is not an error message, but we are listing it here because it confuses some people.

VPOP3 sends a &#039;Transmission Receipt&#039; when a message is sent out, and it contains a header asking for the receipt. The default configuration is that it will send the transmission receipt if the sender asks for a read receipt.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:upgrade_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 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>
    </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/how_to:upgrade_vpop3_to_version_7?rev=1593427438&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-06-29T10:43:58+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>How to upgrade VPOP3 to version 7 or later from version 6 or earlier</title>
        <link>https://wiki.pscs.co.uk/how_to:upgrade_vpop3_to_version_7?rev=1593427438&amp;do=diff</link>
        <description>How to upgrade VPOP3 to version 7 or later from version 6 or earlier

As usual the process to upgrade is simply to install the later version over your existing installation (do not uninstall anything first). The below is technical information detailing an extra step performed by the installer in this particular upgrade step.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:vpop3_access_security?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 Setup VPOP3 Service Security</title>
        <link>https://wiki.pscs.co.uk/how_to:vpop3_access_security?rev=1542192349&amp;do=diff</link>
        <description>How To Setup VPOP3 Service Security

VPOP3 can be configured to restrict access to its various services depending on the client computer&#039;s IP address. This is useful if you want to allow access from only certain IP addresses (eg within your LAN) and prevent access from other IP addresses (eg the Internet).</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:vpop3_is_responding_slowly?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 Is Responding Slowly</title>
        <link>https://wiki.pscs.co.uk/how_to:vpop3_is_responding_slowly?rev=1542192349&amp;do=diff</link>
        <description>VPOP3 Is Responding Slowly

If VPOP3 is responding slowly to users there are several common causes:

	*  The VPOP3 server disk may be badly fragmented. Defragment the server disk(s). Note that sometimes the Windows defragmenter will say that the disk doesn&#039;t need defragmenting even if it does, so it is best to do it anyway. Also, there is a better free defragmenter available called</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:vpop3_re-downloading_old_messages_from_isp_pop3_server?rev=1767605507&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-01-05T09:31:47+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>VPOP3 re-downloading old messages from the ISP POP3 server</title>
        <link>https://wiki.pscs.co.uk/how_to:vpop3_re-downloading_old_messages_from_isp_pop3_server?rev=1767605507&amp;do=diff</link>
        <description>VPOP3 re-downloading old messages from the ISP POP3 server

If you tell VPOP3&#039;s POP3 mail collector to leave messages on the ISP&#039;s server for a few days,  you may find that sometimes VPOP3 will redownload all the messages from the ISP mailbox again.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/how_to:vpop3_status_monitor_problems?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 Status Monitor Problems</title>
        <link>https://wiki.pscs.co.uk/how_to:vpop3_status_monitor_problems?rev=1542192349&amp;do=diff</link>
        <description>VPOP3 Status Monitor Problems

The VPOP3 Status Monitor is the program which shows the little (usually red) postbox icon in the Windows task tray. This usually launches automatically from the Windows startup group. This program is VPOP3Status.EXE on the disk, or can be run manually from</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:address_book_tab?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>Address Book tab</title>
        <link>https://wiki.pscs.co.uk/reference:address_book_tab?rev=1542192349&amp;do=diff</link>
        <description>Address Book tab

The Address Book tab within VPOP3 webmail enables you to manage your lists of contacts and add those contacts into a new or existing message. Substantial alterations to the interface were introduced in version 5. Both interfaces are documented.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:database_schema_used_in_vpop3_5.x?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 schema used in VPOP3 5.x</title>
        <link>https://wiki.pscs.co.uk/reference:database_schema_used_in_vpop3_5.x?rev=1542192349&amp;do=diff</link>
        <description>Database schema used in VPOP3 5.x

Note that all information in this section is subject to change. We do not guarantee that the database schema will remain constant, even between minor upgrade versions, so use this information at your own risk.

Do not alter the database schema used by VPOP3 (including indexes, triggers &amp; functions) or your whole VPOP3 data store may collapse.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:export_lan_forwarding_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>Database query to export LAN Forwarding rules</title>
        <link>https://wiki.pscs.co.uk/reference:export_lan_forwarding_rules?rev=1542192349&amp;do=diff</link>
        <description>Database query to export LAN Forwarding rules

At a command prompt in the VPOP3 directory run
psql

(The password is &#039;vpop3pass&#039;)

Then, type
\copy (select conditions, address, server, username, password, outaddress as rewriteaddress, matchcount as matches from rules.lanforwarding order by ruleorder) to &#039;c:/temp/x.csv&#039; csv header;</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:sender_advanced_relay_settings?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>Mail Sender Advanced Relay Settings</title>
        <link>https://wiki.pscs.co.uk/reference:sender_advanced_relay_settings?rev=1542192349&amp;do=diff</link>
        <description>Mail Sender Advanced Relay Settings

SMTP Return Address

The SMTP Return Address (or Return Path) is a hidden part of a message which says where bounce messages (and other automated responses) should be sent. (It is not the same as the Reply address</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:sender_advanced_settings?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>Mail Sender Advanced Settings</title>
        <link>https://wiki.pscs.co.uk/reference:sender_advanced_settings?rev=1542192349&amp;do=diff</link>
        <description>Mail Sender Advanced Settings

Mail Connectors -&gt; Mail Senders -&gt; (name) -&gt; Advanced

Advanced

Domain Filtering

For VPOP3 v6.11 and later, see the Domain Filtering section of the user manual.

The Domain Filtering box lets you restrict which email messages are sent via this Mail Sender.

You specify each rule on a separate line, and the message will be sent if it matches any sender rule</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:sender_direct_settings?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 Direct Sender Settings</title>
        <link>https://wiki.pscs.co.uk/reference:sender_direct_settings?rev=1542192349&amp;do=diff</link>
        <description>SMTP Direct Sender Settings

Mail Connectors -&gt; Mail Senders -&gt; SMTP Direct Sender -&gt; Settings tab

The SMTP Direct Settings tab lets you set how VPOP3 will send mail using SMTP Direct

DNS Servers to Use

This setting tells VPOP3 the IP addresses of the DNS servers it should use to find the recipients&#039; mail servers. Separate multiple addresses with commas.</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:smtp_ids_ips?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 Server -&gt; IDS/IPS</title>
        <link>https://wiki.pscs.co.uk/reference:smtp_ids_ips?rev=1542192349&amp;do=diff</link>
        <description>SMTP Server -&gt; IDS/IPS

The IDS/IPS tab lets you set logging and automatic blocking parameters for the IDS (Intrusion Detection System) and IPS (Intrusion Prevention System) component of the SMTP server.

SMTP servers are regularly attacked, both by incoming mail attacks (spam/viruses etc) and relay attacks (by spammers and other malware distributors trying to send mail through them). Because of this, there is a system in VPOP3 which will track attack attempts on the SMTP service and can automat…</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:smtp_load_limiting?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; Load Limiting tab</title>
        <link>https://wiki.pscs.co.uk/reference:smtp_load_limiting?rev=1542192349&amp;do=diff</link>
        <description>SMTP -&gt; Load Limiting tab

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

Here you can set limits on how many active SMTP sessions there are, and other related settings. This lets you limit the load on the VPOP3 server. This is especially important if VPOP3 is performing spam filtering on incoming SMTP messages, because the spam filter can add considerable load.
You can reduce the spamfilter load by using the</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:spamrules_statement_getdecodedsection?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>Spam Filter Rules: GetDecodedSection</title>
        <link>https://wiki.pscs.co.uk/reference:spamrules_statement_getdecodedsection?rev=1542192349&amp;do=diff</link>
        <description>Spam Filter Rules: GetDecodedSection
Statement  GetDecodedSection Version  2.1.11+ Purpose  Returns a specified MIME section of a message into a variable, after processing any Base64 or Quoted-Printable encoding of the raw message data 
The GetDecodedSection</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:spamrules_statement_include?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>Spam Filter Rules: Include</title>
        <link>https://wiki.pscs.co.uk/reference:spamrules_statement_include?rev=1542192349&amp;do=diff</link>
        <description>Spam Filter Rules: Include
Statement  Include Version  2.1.7+ Purpose  Including other files within the spam rules 
To include another file within the spam rules, insert a line saying
&#039;&#039;Include &lt;filename to include&gt;&#039;&#039;
There should not be any quotes around the filename to include, even if it contains spaces. Note that all files are within the same &#039;scope&#039;, so variables defined in one file will be visible within all subsequent included files.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:status?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>Status</title>
        <link>https://wiki.pscs.co.uk/reference:status?rev=1542192349&amp;do=diff</link>
        <description>Status

The VPOP3 Status screen has two tabs

	*  Server Status
	*  Sessions

Server Status

The Server Status tab is essentially a copy of the VPOP3 Status Monitor information.

	*  Connection Status - this shows the &#039;online&#039; status of VPOP3. If it says idle, it does not mean VPOP3 is not working, or not doing anything, it just means that it is not currently sending or collecting mail from the Internet.</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:vpop3.setsetting?rev=1615307830&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2021-03-09T16:37:10+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>VPOP3.SetSetting</title>
        <link>https://wiki.pscs.co.uk/reference:vpop3.setsetting?rev=1615307830&amp;do=diff</link>
        <description>VPOP3.SetSetting

The Lua function &#039;VPOP3.SetSetting&#039; sets a general setting forVPOP3

It takes two parameters:

	*  The name of the setting. This can either by the &#039;Name&#039; field of the &#039;Settings.Settings&#039; database table or the internal setting name
	*  The data to set (must be a string)</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:webmail_advanced?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>Webmail  -&gt; Advanced tab</title>
        <link>https://wiki.pscs.co.uk/reference:webmail_advanced?rev=1542192349&amp;do=diff</link>
        <description>Webmail  -&gt; Advanced tab

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

Here you can set various options for the VPOP3 Webmail/settings service.

Allow Password in URL

If you check this option, then you can specify the user&#039;s password in a</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/reference:webmail_menu?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>Webmail Menu bar</title>
        <link>https://wiki.pscs.co.uk/reference:webmail_menu?rev=1542192349&amp;do=diff</link>
        <description>Webmail Menu bar

The Webmail Menu bar within VPOP3 webmail enables you to quickly perform relevant actions.

The Menu has six main headings; of which, three have multiple options.
  Option    Active    Function   V  Notes Message  Mail and View Message tabs  Opens/closes Message menu</description>
    </item>
    <item rdf:about="https://wiki.pscs.co.uk/wiki:syntax?rev=1773676810&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-03-16T16:00:10+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Formatting Syntax</title>
        <link>https://wiki.pscs.co.uk/wiki:syntax?rev=1773676810&amp;do=diff</link>
        <description>Formatting Syntax

DokuWiki supports some simple markup language, which tries to make the datafiles to be as readable as possible. This page contains all possible syntax you may use when editing the pages. Simply have a look at the source of this page by pressing</description>
    </item>
</rdf:RDF>
