39 lines
1.1 KiB
Markdown
39 lines
1.1 KiB
Markdown
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# Setup relayhost
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Relay host is a server which can accept your email and sent it out to the final
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destination for you.
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To setup a global relay host in iRedMail, please append below settings in
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Postfix config file `/etc/postfix/main.cf` (Linux/OpenBSD) or
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`/usr/local/etc/postfix/main.cf` (FreeBSD):
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```cfg
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relayhost = [relay_server]:25
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smtp_sasl_password_maps = hash:/etc/postfix/sasl_password
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smtp_sasl_auth_enable = yes
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smtp_sasl_mechanism_filter = login
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smtp_sasl_security_options = noanonymous
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```
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!!! note
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* You should relace `relay_server` above by the real server address. for
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example, `relayhost = [37.61.54.158]:25`, `relayhost = [smtp.gmail.com]:25`.
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* For more possible values/formats, please check Postfix document:
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[Postfix transport table format (transport)](http://www.postfix.org/transport.5.html).
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Then write the username and password in `/etc/postfix/sasl_password`:
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```cfg
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relay.server user:password
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```
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Run `postmap` and restart Postfix service:
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```cmd
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postmap hash:/etc/postfix/sasl_password
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service postfix restart
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```
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That's it.
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