zabbix сервер пытается слать почту, но она не доходит, в логах postfix
Nov 20 22:15:10 mail postfix/postscreen[4134]: CONNECT from [192.168.1.150]:40953 to [192.168.3.3]:25
Nov 20 22:15:11 mail postfix/postscreen[4134]: PASS OLD [192.168.1.150]:40953
Nov 20 22:15:11 mail postfix/smtpd[4137]: connect from unknown[192.168.1.150]
Nov 20 22:15:11 mail postfix/smtpd[4137]: Anonymous TLS connection established from unknown[192.168.1.150]: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)
Nov 20 22:15:11 mail postfix/smtpd[4137]: lost connection after EHLO from unknown[192.168.1.150]
Nov 20 22:15:11 mail postfix/smtpd[4137]: disconnect from unknown[192.168.1.150] ehlo=2 starttls=1 commands=3
Nov 20 22:15:41 mail postfix/postscreen[4134]: CONNECT from [192.168.1.150]:41052 to [192.168.3.3]:25
Nov 20 22:15:41 mail postfix/postscreen[4134]: PASS OLD [192.168.1.150]:41052
Nov 20 22:15:41 mail postfix/smtpd[4137]: connect from unknown[192.168.1.150]
Nov 20 22:15:41 mail postfix/smtpd[4137]: Anonymous TLS connection established from unknown[192.168.1.150]: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)
Nov 20 22:15:41 mail postfix/smtpd[4137]: lost connection after EHLO from unknown[192.168.1.150]
Nov 20 22:15:41 mail postfix/smtpd[4137]: disconnect from unknown[192.168.1.150] ehlo=2 starttls=1 commands=3
Nov 20 22:19:01 mail postfix/anvil[4139]: statistics: max connection rate 4/60s for (smtpd:192.168.1.150) at Nov 20 22:14:40
Nov 20 22:19:01 mail postfix/anvil[4139]: statistics: max connection count 1 for (smtpd:192.168.1.150) at Nov 20 22:13:40
Nov 20 22:19:01 mail postfix/anvil[4139]: statistics: max cache size 1 at Nov 20 22:13:40
снаружи и изнутри с других серверов все проходит