[pfx] Re: Disabling MUA submission for smtpd on port 25
Benny Pedersen via Postfix-users <[email protected]>
| Newsgroups | gmane.mail.postfix.user |
|---|---|
| Organization | junc.eu |
| Message-ID | <[email protected]> |
John Fawcett via Postfix-users skrev den 2026-03-26 15:44: > In general no, but the distinction could be made based on a sender > present in smtpd_sender_login_maps. It would need a new configuration > parameter to be able to reject mail from an unauthenticated sender > where authentication is not enabled. reject own sender domains in port 25 envelope is safe, if you never use port 25 with sasl auth why is this really a question ? bots that try sasl port 25 can be reported to abuseipdb with fail2ban _______________________________________________ Postfix-users mailing list -- [email protected] To unsubscribe send an email to [email protected]