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@@ -106,7 +106,9 @@ export TMPDIR=/var/lib/docker-compose-tmp
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1. Install: `postfix libsasl2-modules mailutils`
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- If asked, choose to configure Postfix as a satellite system.
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-2. Make sure the FQDN is correct in `/etc/mailname` and `/etc/postfix/main.cf`.
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+2. Set the FQDN:
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+ 1. Update it in `/etc/postfix/main.cf`.
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+ 1. Link mailname to hostname (must be FQDN): `ln -sf /etc/hostname /etc/mailname`
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3. Update the root alias in `/etc/aliases` and run `newaliases`.
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4. Update the `main.cf` config (example not provided here).
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1. Only listen to localhost: Set “inet\_interfaces = loopback-only”
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Håvard O. Nordstrand