Hello Wietse and everyone, Thank you all for your suggestions. I've kept the reject_unknown_helo_hostname commented and things are working just fine.
Thanks. Dave. On 3/21/21, ludic...@gmail.com <ludic...@gmail.com> wrote: > 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 > >