Search the opensmtpd mailing list archives. I believe someone posted an awk script that does this or at least something similar.
Good luck, Edgar On Oct 4, 2019 3:08 AM, Jon Arlund <jonarl...@yahoo.com> wrote: > > Hi misc, > I was delighted to see the inclusion of OpenSMTPD filters in the latest > snapshot. > Knowing this has been a frequently requested feature, does someone know > if/how filters could be used to implement domain rewriting/masquerading of > the From header in the DATA section? > I know the "senders" parameter in combination with the "masquerade" option is > capable of rewriting the From header for authenticated users. Unfortunately, > we still have legacy systems that don't support SMTP authentication but are > allowed to relay messages based on their IP address. > Any information will be greatly appreciated. > Kind regards, > Jon
