smtpd_helo_required = yes
smtpd_recipient_restrictions =
......
reject_invalid_helo_hostname
Mit freundlichen Grüßen
Uwe Drießen
--
Software & Computer
Netzwerke, Server.
Wir vernetzen Sie und Ihre Rechner !
Uwe Drießen
Lembergstraße 33
67824 Feilbingert
Tel.: 06708660045
> -----Ursprüngliche Nachricht-----
> Von: owner-postfix-us...@postfix.org [mailto:owner-postfix-
> us...@postfix.org] Im Auftrag von L. D. James
> Gesendet: Mittwoch, 23. Dezember 2015 09:39
> An: postfix-users@postfix.org
> Betreff: How to Block EHLO/HELO that has IP Only
>
> I have many log entries where there are "helo=[1.2.3.4]" entries with no
> domain name. It has an IP address only. Each of these occasions are
> unwanted spam messages.
>
> Can some one specify a policy restriction that will block these messages.
>
> An example from the log is:
>
> Dec 22 16:00:52 hera5 policyd-spf[9883]: None; identity=mailfrom;
> client-ip=75.211.27.210; helo=[63.205.88.41];
> envelope-from=dtrue-nore...@example.com;
> receiver=u...@example.com
>
> Thanks in advance for any suggestions on this.
>
> -- L. James
>
> --
> L. D. James
> lja...@apollo3.com
> www.apollo3.com/~ljames
