Altimus Prime asked:
In Postfix we can apply some basic header, body, client checks using regex. I wanted to use flags.
I added the following to the header_checks file:
and tested it by sending myself and email with those words in the title, but I get the error in my maillog stating
unknown regexp option "g": skipping this rule
Is there a proper way to apply flags or does postfix regex simply not use or acknowlege certain flags?
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