> > Few hours ago I upgrade from Postfix 3.5.4 to 3.5.5 and sometimes I get > "Cannot start TLS: handshake failure": > > ------ > Jul 26 13:21:10 smtp2 postfix/smtpd[26600]: 1DB241F4EA: > client=server28.example.net[138.201.82.xxx] > Jul 26 13:21:10 smtp2 postfix/cleanup[26147]: 1DB241F4EA: > message-id=<f42ae274b54d32f368dd3897ee7c7...@www.example.com> > Jul 26 13:21:10 smtp2 postfix/qmgr[1637]: 1DB241F4EA: > from=<i...@example.com>, size=5509, nrcpt=1 (queue active) > Jul 26 13:21:10 smtp2 relay2/smtp[26609]: 1DB241F4EA: to=<i...@example.org>, > relay=mail.example.org[138.201.51.72]:25, delay=0.42, delays=0.4/0/0.02/0, > dsn=4.7.5, status=deferred (Cannot start TLS: handshake failure) > Jul 26 13:26:50 smtp2 postfix/qmgr[1637]: 1DB241F4EA: > from=<i...@example.com>, size=5509, nrcpt=1 (queue active) > Jul 26 13:26:50 smtp2 relay4/smtp[26535]: 1DB241F4EA: to=<i...@example.org>, > relay=mail.example.org[138.201.51.72]:25, delay=341, delays=340/0/0.04/0.53, > dsn=2.0.0, status=sent (250 2.0.0 Ok: queued > as 6F1B02869AA) > Jul 26 13:26:50 smtp2 postfix/qmgr[1637]: 1DB241F4EA: removed > ------ > > These messages are delivered the next time the sender SMTP tries to deliver > the message. > > > Also I use Monit to monitor Postfix and after the upgrade to 3.5.5 version I > get messages like this: > > ------ > Connection failed Service postfix > Date: Sun, 26 Jul 2020 14:01:39 > Action: restart > Host: server28.example.com > Description: failed protocol test [SMTP] at [127.0.0.1]:25 [TCP/IP] -- Error > receiving data from the mailserver -- Resource temporarily unavailable > ------ > > > Is this a known issue?
Also the logs are full of these messages: postfix/master[83315]: warning: process /usr/local/libexec/postfix/smtpd pid 53056 killed by signal 11 And here is a bug report in FreeBSD which I think is the same issue: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=248271 <https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=248271>
