> On 31 Dec 2019, at 00:11, Allen Coates <znab...@cidercounty.org.uk> wrote: > > > > On 30/12/2019 22:32, Gerben Wierda wrote: >> Now that Finally have a postfix back with actual logging, I noticed this in >> my log: >> >> Dec 30 23:26:09 mail postfix/postscreen[16020]: CONNECT from >> [182.99.42.88]:49546 to [192.168.2.66]:25 >> Dec 30 23:26:10 mail postfix/postscreen[16020]: PREGREET 14 after 0.26 from >> [182.99.42.88]:49546: EHLO ylmf-pc\r\n >> Dec 30 23:26:10 mail postfix/smtpd[16048]: connect from unknown[182.99.42.88] >> Dec 30 23:26:10 mail postfix/smtpd[16048]: lost connection after EHLO from >> unknown[182.99.42.88] > > << etc >> > > if you set the parameter > > postscreen_greet_action = ENFORCE, or
I’ve done this as well as the reject_unknown_reverse_client_hostname G
