From f6e8d84a85930ced0cf2f824af786eabc77d4f6a Mon Sep 17 00:00:00 2001 From: Igor Scheller Date: Thu, 21 May 2020 14:27:35 +0200 Subject: [PATCH] Added postfix ipv4 only configuration --- docs/firststeps-disable_ipv6.md | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/docs/firststeps-disable_ipv6.md b/docs/firststeps-disable_ipv6.md index 68b33ea0b..1f0f86abf 100644 --- a/docs/firststeps-disable_ipv6.md +++ b/docs/firststeps-disable_ipv6.md @@ -65,3 +65,17 @@ Restart Unbound: ``` docker-compose restart unbound-mailcow ``` + +**4.** Disable IPv6 in postfix-mailcow + +Create `data/conf/postfix/extra.cf` and set `smtp_address_preference` to `ipv4`: + +``` +smtp_address_preference = ipv4 +``` + +Restart Postfix: + +``` +docker-compose restart postfix-mailcow +```