Update Rspamd to 3.11.0 and enable SMTPUTF8 for outgoing mail (#6216)

* Update Rspamd to 3.11

* Enable SMTPUTF8 and hide it from SMTPD greeting

* Update options.inc

* compose: increased rspamd tag

data/Dockerfiles/rspamd/Dockerfile

@@ -2,7 +2,7 @@ FROM debian:bookworm-slim
 LABEL maintainer="The Infrastructure Company GmbH <info@servercow.de>"
 
 ARG DEBIAN_FRONTEND=noninteractive
-ARG RSPAMD_VER=rspamd_3.10.2-1~b8a232043
+ARG RSPAMD_VER=rspamd_3.11.0-1~90a175b45
 ARG CODENAME=bookworm
 ENV LC_ALL=C
 

data/conf/postfix/main.cf

@@ -162,10 +162,9 @@ transport_maps = pcre:/opt/postfix/conf/custom_transport.pcre,
   proxy:mysql:/opt/postfix/conf/sql/mysql_relay_ne.cf,
   proxy:mysql:/opt/postfix/conf/sql/mysql_transport_maps.cf
 smtp_sasl_auth_soft_bounce = no
-postscreen_discard_ehlo_keywords = silent-discard, dsn, chunking
-smtpd_discard_ehlo_keywords = chunking, silent-discard
+postscreen_discard_ehlo_keywords = chunking, silent-discard, smtputf8, dsn
+smtpd_discard_ehlo_keywords = chunking, silent-discard, smtputf8
 compatibility_level = 3.7
-smtputf8_enable = no
 # Define protocols for SMTPS and submission service
 submission_smtpd_tls_mandatory_protocols = >=TLSv1.2
 smtps_smtpd_tls_mandatory_protocols = >=TLSv1.2

data/conf/rspamd/local.d/options.inc

@@ -3,6 +3,7 @@ dns {
 }
 map_watch_interval = 30s;
 task_timeout = 30s;
+enable_mime_utf = true;
 disable_monitoring = true;
 # In case a task times out (like DNS lookup), soft reject the message
 # instead of silently accepting the message without further processing.

docker-compose.yml

@@ -83,7 +83,7 @@ services:
             - clamd
 
     rspamd-mailcow:
-      image: mailcow/rspamd:1.99
+      image: mailcow/rspamd:2.0
       stop_grace_period: 30s
       depends_on:
         - dovecot-mailcow