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how_to:allowing_mail_relay_through_vpop3 [2010/07/02 14:16] – paul | how_to:allowing_mail_relay_through_vpop3 [2018/11/14 10:45] (current) – external edit 127.0.0.1 | ||
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To do this, go to the **Services -> SMTP** page in the VPOP3 settings. | To do this, go to the **Services -> SMTP** page in the VPOP3 settings. | ||
- | Click on **Require | + | In the **SMTP Authentication** |
+ | |||
+ | (In earlier versions you may need to check the **Require SMTP Authentication** and *Do not require SMTP authentication for internal/ | ||
Make sure the **SMTP Anti-Relay Protection** method is set to **Check Client IP Address**. | Make sure the **SMTP Anti-Relay Protection** method is set to **Check Client IP Address**. | ||
- | =====VPOP3 Version 3===== | + | =====VPOP3 Version 5 or later===== |
+ | Go to the **SMTP Server -> IP Access Restrictions** tab | ||
+ | |||
+ | {{: | ||
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+ | 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. | ||
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+ | 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 ' | ||
+ | |||
+ | 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. | ||
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+ | 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 ' | ||
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+ | |||
+ | =====VPOP3 Version 3 or 4===== | ||
Go to the **SMTP Server -> IP Access Restrictions** tab | Go to the **SMTP Server -> IP Access Restrictions** tab | ||
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** Allow Any - fred bob** | ** Allow Any - fred bob** | ||
- | means that only the '' | + | means that only the '' |