15 lines
726 B
Plaintext
15 lines
726 B
Plaintext
# Remove the first line of the Received: header. Note that we cannot fully remove the Received: header
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# because OpenDKIM requires that a header be present when signing outbound mail. The first line is
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# where the user's home IP address would be.
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/^\s*Received:[^\n]*(.*)/ REPLACE Received: from authenticated-user (PRIMARY_HOSTNAME [PUBLIC_IP])$1
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# Remove other typically private information.
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/^\s*User-Agent:/ IGNORE
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/^\s*X-Enigmail:/ IGNORE
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/^\s*X-Mailer:/ IGNORE
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/^\s*X-Originating-IP:/ IGNORE
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/^\s*X-Pgp-Agent:/ IGNORE
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# The Mime-Version header can leak the user agent too, e.g. in Mime-Version: 1.0 (Mac OS X Mail 8.1 \(2010.6\)).
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/^\s*(Mime-Version:\s*[0-9\.]+)\s.+/ REPLACE $1
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