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docs: Document fix for PROXY protocol with `postscreen` (#4066)

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Brennan Kinney 2024-06-16 00:26:33 +12:00 committed by GitHub
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docs/content/examples/tutorials/mailserver-behind-proxy.md
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@ -259,6 +259,12 @@ The below guidance is focused on configuring [Traefik][traefik-web], but the adv
postconf -P 12525/inet/postscreen_upstream_proxy_protocol=haproxy 12525/inet/syslog_name=smtp-proxyprotocol postconf -P 12525/inet/postscreen_upstream_proxy_protocol=haproxy 12525/inet/syslog_name=smtp-proxyprotocol
``` ```
Supporting port 25 with an additional PROXY protocol port will also require a `postfix-main.cf` override line for `postscreen` to work correctly:
```cf title="docker-data/dms/config/postfix-main.cf"
postscreen_cache_map = proxy:btree:$data_directory/postscreen_cache
```
--- ---
Dovecot is mostly the same as before: Dovecot is mostly the same as before: