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Anti-spam systems hate finding anything related to EC2, so some kind of cloaking is regrettably necessary.
A postfix example header_checks snippit for your consideration.
/^(Received: .amazonaws.com.)/ REPLACE X-Cloak-$1
In the case of "run_on header", I would like to replace the header rather than the header from stdout being prepended to the message header. Using the System command filter in this way would provide a ubiquitous solution to any header problems.
The text was updated successfully, but these errors were encountered:
I would like to amend parts of the header to help with EMail rejection. The following description was taken from here: https://serverfault.com/questions/216731/removing-headers-from-postfix-sent-mail
Anti-spam systems hate finding anything related to EC2, so some kind of cloaking is regrettably necessary.
A postfix example header_checks snippit for your consideration.
/^(Received: .amazonaws.com.)/ REPLACE X-Cloak-$1
In the case of "run_on header", I would like to replace the header rather than the header from stdout being prepended to the message header. Using the System command filter in this way would provide a ubiquitous solution to any header problems.
The text was updated successfully, but these errors were encountered: