Comments

• At some mail gateways the heuristic score is increased a little bit. But if you the mail wasn't spammy before, this should not be a problem. Also, there might be some additional checks (e.g. URIBL or for gmail.com additional freemailer-points at heuristic) for the reply-to address.

  in Email reply-to address effect on delivery? Comment by lorian July 2022