I tried to work with reject_unknown_helo_hostname time and time again. But way too many regular servers don't comply. It does not seem as there is much progress.
OTOH, reject_invalid_helo_hostname does a good job in my realm of mail traffic. I have yet to see a complaint about turning these away. Greets, Ludi -----Ursprüngliche Nachricht----- Von: owner-postfix-us...@postfix.org <owner-postfix-us...@postfix.org> Im Auftrag von Phil Stracchino Gesendet: Sonntag, 21. März 2021 02:21 An: postfix-users@postfix.org Betreff: Re: Postfix Helo reverse Exception On 3/20/21 8:23 PM, Wietse Venema wrote: > But it is better to stop using reject_unknown_helo_hostname because > the are many misconfigured servers that send legitimat mail. That is an interesting piece of advice. -- Phil Stracchino Babylon Communications ph...@caerllewys.net p...@co.ordinate.org Landline: +1.603.293.8485 Mobile: +1.603.998.6958
