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Channel: When sending email with Postfix, how can I hide the sender’s IP and username in the Received header? - Ask Ubuntu
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Answer by Baluta Sergey for When sending email with Postfix, how can I hide...

Solving the problem of two "Received" headers from PHPLIST.We open /etc/postfix/main.cf. Add at the end:header_checks = regexp:/etc/postfix/header_checksСreate the file /etc/postfix/header_checks. We...

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Answer by Markus for When sending email with Postfix, how can I hide the...

You can use smtpd_sasl_authenticated_header = noin postfix/main.cf to eliminate the header information in your outgoing mails.

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Answer by Michael Kropat for When sending email with Postfix, how can I hide...

The standard solution is to use the header_checks option. This will work, however, if we filter received lines on all mail both incoming and outgoing (as this will do), we could potentially lose...

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When sending email with Postfix, how can I hide the sender’s IP and username...

When sending mail, Postfix inserts the authenticated user’s IP and username into the Received header on the email. While this is useful for tracking down who sent a particular email that was sent from...

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