Gregory Heytings wrote: > > Stefan Claas: > > > > postfix should modify outgoing email headers that *only* go to mail2news > > gateways, using the email gateway addresses for parsing, so that the > > right part of the message ID, after the @ charachter, will be modified > > with a defined string. > > > > Do you mean "should modify outgoing email headers that only go to > mail2news gateways" or "should only modify outgoing email headers that go > to mail2news gateways"? What should happen if an email is sent both to > one or more regular email addresses and to a mail2news gateway?
I am no native English speaker, but would say the latter. About your second question, I have not thought about that, I must admit. To keeps things as simple as possible I would like to concentrate first only for the case that the messages go only to mail2news gateways, which I could explain then to users, of my service. > What you want to do seems to be a job for a milter: Depending on the > "RCPT TO" line (or on the "To:" header), modify the "Message-ID:" header. > Such a conditional header modification cannot be done from inside Postfix. > The only available mechanism to modify email headers is > smtp_header_checks, but it works line by line: "Each message header or > message body line is compared against a list of patterns. When a match is > found the corresponding action is executed, and the matching process is > repeated for the next message header or message body line." Ah, ok. Thanks a lot for the information! Because I am no expert with postfix, can you recommend easy to understand milter example links, I can learn from? Regards Stefan -- Signal (Desktop) +4915172173279 https://keybase.io/stefan_claas
