What is the behavior difference between return-path, reply-to and from?
问题 On our mailing application we are sending emails with the following header: FROM: marketing@customer.com TO: subscriber1@domain1.com Return-PATH: bouncemgmt@ourcompany.com The problem that we are facing is that some email servers will bounce back a message immediately and use the from or reverse path (marketing@customer.com) instead to our bounce mgmt server. We want to know if we modify in the header the reply-to to be the same as the return-path if we will be able to catch all bounces. Any