* Viktor Dukhovni <postfix-users@postfix.org>: > The correct reply to "DATA" is "354" not "250". Something is awfully > out of sync if Gmail is returning "250" in response to "DATA". > > That's presumably a response for one of the recipients, so Gmail > sent one more response than Postfix expects, or Gmail received > one more command than Postfix expected to send.
First entry for gmail was: Jun 19 09:52:42 mail-cvk postfix/smtp[32063]: 45THH93PXyz1Z4Kq: to=<szilveszter.bxx...@gmail.com>, relay=gmail-smtp-in.l.google.COM[173.194.76.26]:25, delay=4.8, delays=3.3/0.04/0.62/0.84, dsn=5.2.2, status=bounced (host gmail-smtp-in.l.google.COM[173.194.76.26] said: 552 5.2.2 The email account that you tried to reach is over quota. Please direct (in reply to RCPT TO command)) Jun 19 09:52:42 mail-cvk postfix/smtp[32063]: 45THH93PXyz1Z4Kq: host gmail-smtp-in.l.google.COM[173.194.76.26] said: 452-4.2.2 the recipient to 452 4.2.2 https://support.google.com/mail/?p=OverQuotaTemp w9si551343wmd.47 - gsmtp (in reply to RCPT TO command) Jun 19 09:52:42 mail-cvk postfix/smtp[32063]: 45THH93PXyz1Z4Kq: to=<filipaxxxxxxvale...@gmail.com>, relay=gmail-smtp-in.l.google.COM[173.194.76.26]:25, delay=4.8, delays=3.3/0.04/0.62/0.84, dsn=5.5.0, status=bounced (Protocol error: host gmail-smtp-in.l.google.COM[173.194.76.26] said: 250 2.1.5 OK w9si551343wmd.47 - gsmtp (in reply to DATA command)) ... lots of protocol errors ... Jun 19 09:52:43 mail-cvk postfix/smtp[32063]: 45THH93PXyz1Z4Kq: to=<vitxxx...@gmail.com>, relay=gmail-smtp-in.l.google.COM[173.194.76.26]:25, delay=4.8, delays=3.3/0.04/0.62/0.84, dsn=5.5.0, status=bounced (Protocol error: host gmail-smtp-in.l.google.COM[173.194.76.26] said: 250 2.1.5 OK w9si551343wmd.47 - gsmtp (in reply to DATA command)) Jun 19 09:52:44 mail-cvk postfix/smtp[32063]: 45THH93PXyz1Z4Kq: to=<tanja.mxxxxi...@gmail.com>, relay=alt1.gmail-smtp-in.l.google.COM[108.177.14.26]:25, delay=6.7, delays=3.3/0.04/2.9/0.44, dsn=2.0.0, status=sent (250 2.0.0 OK 1560930764 q30si13988623lfb.86 - gsmtp) so the first one causes an error (during the RCPT TO: stage) which then causes the rest to get out of sync in the DATA stage - except for the last one (which goes to another server!) -- [*] sys4 AG https://sys4.de, +49 (89) 30 90 46 64 Schleißheimer Straße 26/MG, 80333 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Marc Schiffbauer Aufsichtsratsvorsitzender: Florian Kirstein
