Hi postconf |grep "smtp_helo_timeout" smtp_helo_timeout = 300s W dniu 06.10.2021 o 14:34, natan pisze: > Hi > For clarity of configuration > > ---postfix1-(MX)----lmtp-dovecot-director---------------dovecot1-6 > > In dovecot1-6 I have storage in Maildir and sieve filters > Dovecot1-6 have exim whose smarthost is postfix2 name(P5) and this is use > when user have sieve filter (for redirect etc) > > > W dniu 06.10.2021 o 14:28, natan pisze: >> Hi >> I have some problem in send >> >> My working environment is: >> >> ---postfix1-(MX)----lmtp-dovecot-director---------------dovecot1-6 >> In dovecot1-6 i have exim whose smarthost is postfix2 name (P5) >> >> all works fine but sometimes I get in log: >> >> Oct 6 14:14:25 P5 postfix/smtp[52636]: 4HPY3L22S1z3mgPD: conversation >> with mail3.allegromail.pl[178.21.155.20] timed out while receiving the >> initial server greeting >> Oct 6 14:14:30 P5 postfix/smtp[52636]: 4HPY3L22S1z3mgPD: conversation >> with mail1.allegromail.pl[178.21.155.19] timed out while receiving the >> initial server greeting >> Oct 6 14:14:35 P5 postfix/smtp[52636]: 4HPY3L22S1z3mgPD: conversation >> with mail4.allegromail.pl[193.203.222.20] timed out while receiving the >> initial server greeting >> Oct 6 14:14:40 P5 postfix/smtp[52636]: 4HPY3L22S1z3mgPD: >> to=<[email protected]>, >> relay=mail2.allegromail.pl[193.203.222.19]:25, delay=755, >> delays=734/0/20/0, dsn=4.4.2, status=deferred (conversation with >> mail2.allegromail.pl[193.203.222.19] timed out while receiving the >> initial server greeting) >> >> When I try use telnet >> >> root@P5:~# telnet mail4.allegromail.pl 25 >> Trying 193.203.222.20... >> Connected to mail4.allegromail.pl. >> Escape character is '^]'. >> 220 mail4.allegromail.pl ESMTP mail4.allegromail.pl >> >> I understand that maybe something (postscreen?)is on the recipient's >> side - but I do not know how to verify if everything is ok on my site >> -- >> > -- >
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