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Code Issues Releases Wiki Activity

disable SMTP AUTH on port 25 to stop it accidentally being used for submission

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fixes #830
This commit is contained in:
Joshua Tauberer
2018-11-30 09:49:00 -05:00
parent b05b06c74a
commit aa52f52d02
2 changed files with 9 additions and 2 deletions
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3
setup/mail-postfix.sh
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@@ -73,6 +73,8 @@ tools/editconf.py /etc/postfix/main.cf \
# Enable the 'submission' port 587 smtpd server and tweak its settings.
#
# * Enable authentication. It's disabled globally so that it is disabled on port 25,
# so we need to explicitly enable it here.
# * Do not add the OpenDMAC Authentication-Results header. That should only be added
# on incoming mail. Omit the OpenDMARC milter by re-setting smtpd_milters to the
# OpenDKIM milter only. See dkim.sh.
@@ -87,6 +89,7 @@ tools/editconf.py /etc/postfix/main.cf \
# emails but we turn this off by setting nested_header_checks empty.
tools/editconf.py /etc/postfix/master.cf -s -w \
"submission=inet n - - - - smtpd
-o smtpd_sasl_auth_enable=yes
-o syslog_name=postfix/submission
-o smtpd_milters=inet:127.0.0.1:8891
-o smtpd_tls_security_level=encrypt