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Some extra filters to reply-headers for outbound mail

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ret marut 2016-06-03 18:18:47 +02:00
parent 853f5d65d9
commit a581bddff9
2 changed files with 24 additions and 8 deletions
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8
data/templates/postfix/plain/smtp_reply_filter
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@ -1,8 +0,0 @@
# Google Mail bounces email sent via IPv6, while this works ok with IPv4.
#
# Convert Google Mail IPv6 complaint permanent error into a temporary error.
# Turn 550 error containing gsmtp in the message into 450 error.
# This way Postfix will attempt to deliver this e-mail using another MX
# (via IPv4).
#
/^5(\d\d )5(.*information. \S+ - gsmtp.*)/ 4${1}4$2

24
data/templates/postfix/smtp_reply_filter Normal file
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# Google Mail bounces email sent via IPv6, while this works ok with IPv4.
#
# Convert Google Mail IPv6 complaint permanent error into a temporary error.
# Turn 550 error containing gsmtp in the message into 450 error.
# This way Postfix will attempt to deliver this e-mail using another MX
# (via IPv4).
#
/^5(\d\d )5(.*information. \S+ - gsmtp.*)/ 4${1}4$2
# Remove the first line of the Received: header. Note that we cannot fully remove the Received: header
# because OpenDKIM requires that a header be present when signing outbound mail. The first line is
# where the user's home IP address would be.
/^\s*Received:[^\n]*(.*)/ REPLACE Received: from authenticated-user ({{ main_domain }} [{{ main_ip }}])$1
# Remove other typically private information.
/^\s*User-Agent:/ IGNORE
/^\s*X-Enigmail:/ IGNORE
/^\s*X-Mailer:/ IGNORE
/^\s*X-Originating-IP:/ IGNORE
/^\s*X-Pgp-Agent:/ IGNORE
# The Mime-Version header can leak the user agent too, e.g. in Mime-Version: 1.0 (Mac OS X Mail 8.1 \(2010.6\)).
/^\s*(Mime-Version:\s*[0-9\.]+)\s.+/ REPLACE $1