From 62f1dbe30f5133d5e410db51bc1ddd5ab27d6e1b Mon Sep 17 00:00:00 2001
From: Simon Bruder <simon@sbruder.de>
Date: Sat, 6 Feb 2021 16:49:20 +0100
Subject: [PATCH] mailserver: Disable recipient_restrictions for submission

Otherwise, sending mails to slow destinations might fail (with the
client throwing an error).
---
 modules/mailserver.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/mailserver.nix b/modules/mailserver.nix
index 293af23..3e50141 100644
--- a/modules/mailserver.nix
+++ b/modules/mailserver.nix
@@ -251,6 +251,8 @@ in
 
           smtpd_sender_login_maps = "hash:/etc/postfix/valiases";
 
+          smtpd_recipient_restrictions = listToString [ ];
+
           smtpd_client_restrictions = listToString [
             "permit_sasl_authenticated"
             "reject"