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Code Issues Releases Activity

[Postfix] Upgrade to Deb12 + PF to 3.7.10 & Drop TLS 1.0/1.1 per default (#5635)

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* postfix: removed TLS1.0/1.1 support (natively)

* postfix: upgrade to deb12 + pf to 3.7.9

* compose: increased postfix tag

* postfix: shortened TLS syntax with new format of 3.6+
This commit is contained in:
Niklas Meyer 2024-06-26 10:44:07 +02:00 committed by GitHub
parent 6fc86dd7d3
commit 2cf952eb36
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6 changed files with 14 additions and 14 deletions
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2
data/Dockerfiles/postfix/Dockerfile
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@ -1,4 +1,4 @@
FROM debian:bullseye-slim
FROM debian:bookworm-slim
LABEL maintainer "The Infrastructure Company GmbH <info@servercow.de>"
ARG DEBIAN_FRONTEND=noninteractive

2
data/Dockerfiles/postfix/syslog-ng-redis_slave.conf
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@ -1,4 +1,4 @@
@version: 3.28
@version: 3.38
@include "scl.conf"
options {
chain_hostnames(off);

2
data/Dockerfiles/postfix/syslog-ng.conf
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@ -1,4 +1,4 @@
@version: 3.28
@version: 3.38
@include "scl.conf"
options {
chain_hostnames(off);

2
data/conf/postfix/anonymize_headers.pcre
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@ -1,6 +1,6 @@
if /^\s*Received:.*Authenticated sender.*\(Postcow\)/
#/^Received: from .*? \([\w-.]* \[.*?\]\)\s+\(Authenticated sender: (.+)\)\s+by.+\(Postcow\) with (E?SMTPS?A?) id ([A-F0-9]+).+;.*?/
/^Received: from .*? \([\w-.]* \[.*?\]\)(.*|\n.*)\(Authenticated sender: (.+)\)\s+by.+\(Postcow\) with (.*)/
/^Received: from .*? \([\w\-.]* \[.*?\]\)(.*|\n.*)\(Authenticated sender: (.+)\)\s+by.+\(Postcow\) with (.*)/
REPLACE Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with $3
endif
if /^\s*Received: from.* \(.*dovecot-mailcow.*mailcow-network.*\).*\(Postcow\)/

18
data/conf/postfix/main.cf
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@ -114,14 +114,14 @@ smtpd_tls_loglevel = 1
# Mandatory protocols and ciphers are used when a connections is enforced to use TLS
# Does _not_ apply to enforced incoming TLS settings per mailbox
smtp_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
lmtp_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
smtp_tls_mandatory_protocols = >=TLSv1.2
lmtp_tls_mandatory_protocols = >=TLSv1.2
smtpd_tls_mandatory_protocols = >=TLSv1.2
smtpd_tls_mandatory_ciphers = high
smtp_tls_protocols = !SSLv2, !SSLv3
lmtp_tls_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
smtpd_tls_protocols = !SSLv2, !SSLv3
smtp_tls_protocols = >=TLSv1.2
lmtp_tls_protocols = >=TLSv1.2
smtpd_tls_protocols = >=TLSv1.2
smtpd_tls_security_level = may
tls_preempt_cipherlist = yes
@ -164,11 +164,11 @@ transport_maps = pcre:/opt/postfix/conf/custom_transport.pcre,
smtp_sasl_auth_soft_bounce = no
postscreen_discard_ehlo_keywords = silent-discard, dsn, chunking
smtpd_discard_ehlo_keywords = chunking, silent-discard
compatibility_level = 2
compatibility_level = 3.7
smtputf8_enable = no
# Define protocols for SMTPS and submission service
submission_smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
smtps_smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
submission_smtpd_tls_mandatory_protocols = >=TLSv1.2
smtps_smtpd_tls_mandatory_protocols = >=TLSv1.2
parent_domain_matches_subdomains = debug_peer_list,fast_flush_domains,mynetworks,qmqpd_authorized_clients
# DO NOT EDIT ANYTHING BELOW #

2
docker-compose.yml
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@ -304,7 +304,7 @@ services:
- dovecot
postfix-mailcow:
image: mailcow/postfix:1.74
image: mailcow/postfix:1.75
depends_on:
mysql-mailcow:
condition: service_started