From 1d860809974b246ffe9f1fd31b147487312c91d5 Mon Sep 17 00:00:00 2001 From: yyamashita Date: Mon, 1 Jun 2026 21:25:41 +0900 Subject: Fix milter IPv4 binding and container DNS for MX lookups MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - opendkim.conf / main.cf: localhost → 127.0.0.1 (getent がIPv6を優先し Postfix の inet_protocols=ipv4 と競合していた) - docker-compose.yml: dns: 8.8.8.8/1.1.1.1 を追加 (Docker embedded DNS が MX クエリを解決できなかった) Co-Authored-By: Claude Sonnet 4.6 --- mail/docker-compose.yml | 3 +++ mail/opendkim/opendkim.conf | 2 +- mail/postfix/main.cf | 4 ++-- 3 files changed, 6 insertions(+), 3 deletions(-) (limited to 'mail') diff --git a/mail/docker-compose.yml b/mail/docker-compose.yml index bcc6c89..b137c06 100644 --- a/mail/docker-compose.yml +++ b/mail/docker-compose.yml @@ -6,6 +6,9 @@ services: volumes: - /etc/opendkim:/etc/opendkim:ro - mail_queue:/var/spool/postfix + dns: + - 8.8.8.8 + - 1.1.1.1 restart: unless-stopped networks: - web diff --git a/mail/opendkim/opendkim.conf b/mail/opendkim/opendkim.conf index 90bcb6b..6cc9c1f 100644 --- a/mail/opendkim/opendkim.conf +++ b/mail/opendkim/opendkim.conf @@ -8,7 +8,7 @@ OversignHeaders From UserID root UMask 022 -Socket inet:8891@localhost +Socket inet:8891@127.0.0.1 PidFile /var/run/opendkim/opendkim.pid KeyTable /etc/opendkim/KeyTable diff --git a/mail/postfix/main.cf b/mail/postfix/main.cf index 4098668..36d0e35 100644 --- a/mail/postfix/main.cf +++ b/mail/postfix/main.cf @@ -26,8 +26,8 @@ smtp_tls_loglevel = 1 # DKIM signing via OpenDKIM milter on localhost:8891 milter_default_action = accept milter_protocol = 6 -smtpd_milters = inet:localhost:8891 -non_smtpd_milters = inet:localhost:8891 +smtpd_milters = inet:127.0.0.1:8891 +non_smtpd_milters = inet:127.0.0.1:8891 # Queue timeouts maximal_queue_lifetime = 1d -- cgit v1.2.3