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--- how_to:allowing_mail_relay_through_vpop3 [2012/04/24 09:07] – [VPOP3 Version 3 or later] paul
+++ how_to:allowing_mail_relay_through_vpop3 [2018/11/14 10:45] (current) – external edit 127.0.0.1
@@ Line 11: / Line 11: @@
 To do this, go to the **Services -> SMTP** page in the VPOP3 settings.
-Click on **Require SMTP Authentication** and **Do not require SMTP authentication for internal/incoming mail**
+In the **SMTP Authentication** box, choose **Required**, and check the **Do not require SMTP authentication for internal/incoming mail** option.
+(In earlier versions you may need to check the **Require SMTP Authentication** and *Do not require SMTP authentication for internal/incoming mail** options instead.)
 Make sure the **SMTP Anti-Relay Protection** method is set to **Check Client IP Address**.
@@ Line 18: / Line 20: @@
 Go to the **SMTP Server -> IP Access Restrictions** tab
-If you still have your default access restrictions in play, you may check the **No Auth** box next to the network address for your local network. This will allow your local users to send mail without authenticating. (This is optional, you may wish to require your local users to authenticate as well, for extra security)
+{{:how_to:smtpaccessrestrict5.png?nolink|}}
-Add another restriction to **Allow - Any**. Do NOT check the **No Auth** box for this entry. This lets any user send mail as long as they have authenticated first.
-{{:how_to:smtprelay1.png|}}
+The default settings will have **Block - routers** and **Allow - Local Nets** entries. These will block the router itself from sending outgoing email, and anyone on the local network will be able to send outgoing mail.
-You can optionally add VPOP3 account names to the **Allow Any** entry if you want to restrict the users who can send mail from the Internet, eg
+Now you have checked the **Require SMTP Authentication** box, local users will still be able to send mail, but only if they change their email client configuration to use SMTP authentication. If you wish, you may check the **Allow Unauth** box next to the **Local Nets** entry to allow your local users to send mail without authenticating. If you have added any other 'trusted' networks, eg other subnets on your office network, you may also choose to check the **Allow Unauth** box for those rules as well.
-** Allow Any - fred bob**
+Then, add another restriction to **Allow - Any**. Do NOT check the **No Auth** box for this entry. This lets any user send mail as long as they have authenticated first.
-means that only the ''fred'' and ''bob'' user accounts can send mail from the Internet
+If you wish, you can click on the cell in the **Users** column on the **Allow Any** row to select users who can send mail from the Internet. If you don't do this, then any user can send mail from the Internet. In the screenshot above, we have allowed the 'support' and 'webmaster' to send outgoing mail from the Internet.

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