Re: Mails to gmail bouncing
* Wietse Venema :
> Viktor Dukhovni:
> > > On Jun 21, 2019, at 3:32 AM, Ralf Hildebrandt wrote:
> > >
> > > /^452-4\.2\.2 (The email account that you tried to reach is over
> > > quota.*)/ 552 5.2.2 ${1}
> >
> > Just as I expected. Now change that to:
> >
> > /^4(52[- ]4\.2\.2 The email account that you tried to reach is over
> > quota.*)/ 5${1}
> >
> > and don't do it again! :-)
> >
>
> Use smtp_delivery_status_filter instead.
>
> (Postfix uses the last 452-4.2.2 from the multiline response)
Thanks!
--
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Re: Mails to gmail bouncing
Viktor Dukhovni:
> > On Jun 21, 2019, at 3:32 AM, Ralf Hildebrandt wrote:
> >
> > /^452-4\.2\.2 (The email account that you tried to reach is over quota.*)/
> > 552 5.2.2 ${1}
>
> Just as I expected. Now change that to:
>
> /^4(52[- ]4\.2\.2 The email account that you tried to reach is over
> quota.*)/ 5${1}
>
> and don't do it again! :-)
>
Use smtp_delivery_status_filter instead.
(Postfix uses the last 452-4.2.2 from the multiline response)
Wietse
Re: Mails to gmail bouncing
* Viktor Dukhovni :
> > On Jun 21, 2019, at 3:32 AM, Ralf Hildebrandt wrote:
> >
> > /^452-4\.2\.2 (The email account that you tried to reach is over quota.*)/
> > 552 5.2.2 ${1}
>
> Just as I expected. Now change that to:
>
> /^4(52[- ]4\.2\.2 The email account that you tried to reach is over
> quota.*)/ 5${1}
>
> and don't do it again! :-)
I rather deleted the whole thing. Better not meddle with that stuff.
Sorry for the noise. I cut & pasted the erroneous regexp to
mail.python.org as well -- which Is why I was seeing it there as well
--
[*] sys4 AG
https://sys4.de, +49 (89) 30 90 46 64
Schleißheimer Straße 26/MG, 80333 München
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Vorstand: Patrick Ben Koetter, Marc Schiffbauer
Aufsichtsratsvorsitzender: Florian Kirstein
Re: Mails to gmail bouncing
> On Jun 21, 2019, at 3:32 AM, Ralf Hildebrandt wrote:
>
> /^452-4\.2\.2 (The email account that you tried to reach is over quota.*)/
> 552 5.2.2 ${1}
Just as I expected. Now change that to:
/^4(52[- ]4\.2\.2 The email account that you tried to reach is over quota.*)/
5${1}
and don't do it again! :-)
--
Viktor.
Re: Mails to gmail bouncing
* Wietse Venema Ralf, you need to fix your smtp_reply_filter :-( You replace "452-"
> with "552 ", and break one multiline response into two responses.
> We can help if you share the regexp.
That's probably the one:
/^452-4\.2\.2 (The email account that you tried to reach is over quota.*)/ 552
5.2.2 ${1}
--
[*] 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
Re: Mails to gmail bouncing
Wietse Venema: > Wietse Venema: > > Viktor Dukhovni: > > > On Wed, Jun 19, 2019 at 01:37:41PM +0200, Ralf Hildebrandt wrote: > > > > > > > First entry for gmail was: > > > > > > > > Jun 19 09:52:42 mail-cvk postfix/smtp[32063]: 45THH93PXyz1Z4Kq: > > > > to=, > > > > 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)) > > > > So this is what Google search says: > > > > Specifically, anyone sending email to a user whose Inbox is out > > of storage receives a bounce 452-4.2.2 message stating "The > > email account that you tried to reach is over quota." In terms > > of message delivery, this is a temporary failure, and the sending > > server tries to resend later when more storage is available. > > > > Storage limits - G Suite Admin Help - Google Support > > https://support.google.com/a/answer/1186436?hl=en > > Ralf, you need to fix your smtp_reply_filter :-( You replace "452-" > with "552 ", and break one multiline response into two responses. > We can help if you share the regexp. While fixing this, keep in mind that Postfix will use the last line of a multiline response. It may be easier to use smtp_delivery_status_filter instead. Wietse > > > > > > 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) > > > > > > There's our "smoking gun"... The first log message starts with > > > > > > 5525.2.2 ... > > > > > > and the second with: > > > > > > 4524.2.2 > > > > > > but this is clearly a response for a single recipient, split across > > > multiple lines. So now the question is whether Gmail is actually > > > sending that, or whether something on your side is turning the > > > initial hyphen into a space. But I'm puzzled by the second message, > > > it seems to be missing the "to=", "relay=", ... did you forget to > > > paste those in? > > > > > > -- > > > Viktor. > > > > > >
Re: Mails to gmail bouncing
Wietse Venema: > Viktor Dukhovni: > > On Wed, Jun 19, 2019 at 01:37:41PM +0200, Ralf Hildebrandt wrote: > > > > > First entry for gmail was: > > > > > > Jun 19 09:52:42 mail-cvk postfix/smtp[32063]: 45THH93PXyz1Z4Kq: > > > to=, > > > 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)) > > So this is what Google search says: > > Specifically, anyone sending email to a user whose Inbox is out > of storage receives a bounce 452-4.2.2 message stating "The > email account that you tried to reach is over quota." In terms > of message delivery, this is a temporary failure, and the sending > server tries to resend later when more storage is available. > > Storage limits - G Suite Admin Help - Google Support > https://support.google.com/a/answer/1186436?hl=en Ralf, you need to fix your smtp_reply_filter :-( You replace "452-" with "552 ", and break one multiline response into two responses. We can help if you share the regexp. Wietse > > > > 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) > > > > There's our "smoking gun"... The first log message starts with > > > > 5525.2.2 ... > > > > and the second with: > > > > 4524.2.2 > > > > but this is clearly a response for a single recipient, split across > > multiple lines. So now the question is whether Gmail is actually > > sending that, or whether something on your side is turning the > > initial hyphen into a space. But I'm puzzled by the second message, > > it seems to be missing the "to=", "relay=", ... did you forget to > > paste those in? > > > > -- > > Viktor. > > >
Re: Mails to gmail bouncing
Viktor Dukhovni: > On Wed, Jun 19, 2019 at 01:37:41PM +0200, Ralf Hildebrandt wrote: > > > First entry for gmail was: > > > > Jun 19 09:52:42 mail-cvk postfix/smtp[32063]: 45THH93PXyz1Z4Kq: > > to=, > > 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)) So this is what Google search says: Specifically, anyone sending email to a user whose Inbox is out of storage receives a bounce 452-4.2.2 message stating "The email account that you tried to reach is over quota." In terms of message delivery, this is a temporary failure, and the sending server tries to resend later when more storage is available. Storage limits - G Suite Admin Help - Google Support https://support.google.com/a/answer/1186436?hl=en Wietse > > 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) > > There's our "smoking gun"... The first log message starts with > > 5525.2.2 ... > > and the second with: > > 4524.2.2 > > but this is clearly a response for a single recipient, split across > multiple lines. So now the question is whether Gmail is actually > sending that, or whether something on your side is turning the > initial hyphen into a space. But I'm puzzled by the second message, > it seems to be missing the "to=", "relay=", ... did you forget to > paste those in? > > -- > Viktor. >
Re: Mails to gmail bouncing
On Wed, Jun 19, 2019 at 01:37:41PM +0200, Ralf Hildebrandt wrote: > First entry for gmail was: > > Jun 19 09:52:42 mail-cvk postfix/smtp[32063]: 45THH93PXyz1Z4Kq: > to=, > 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) There's our "smoking gun"... The first log message starts with 5525.2.2 ... and the second with: 4524.2.2 but this is clearly a response for a single recipient, split across multiple lines. So now the question is whether Gmail is actually sending that, or whether something on your side is turning the initial hyphen into a space. But I'm puzzled by the second message, it seems to be missing the "to=", "relay=", ... did you forget to paste those in? -- Viktor.
Re: Mails to gmail bouncing
A. Schulze: > > > Am 19.06.19 um 12:53 schrieb Viktor Dukhovni: > >> On Jun 19, 2019, at 6:37 AM, Ralf Hildebrandt wrote: > >> > >> The error message says: > >> > >> 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) > > > > Ralf, your inattention to detail disappoints me. :-( > > > > The correct reply to "DATA" is "354" not "250". Something is awfully > > out of sync if Gmail is returning "250" in response to "DATA". > > to me this looks more as a 250 OK response _after_ data is sent because a > typical queue ID is part of the response string. My logs disagree. They show '250 2.1.5 OK gibberish - gsmtp' in response to RCPT TO commands (in address verification probes). whereas the end-of data response says '250 2.0.0 OK ...'. So let's not confuse the problem with false speculation. Wietse RCPT TO response: spike postfix/smtp[98630]: 45S7Pj6GFVzJrNr: to=<**censored**@gmail.com>, relay=gmail-smtp-in.l.google.com[172.217.197.27]:25, delay=0.53, delays=0.0018/0.013/0.36/0.15, dsn=2.1.5, status=deliverable (250 2.1.5 OK c9si6247152qvn.4 - gsmtp) end-of-data response: spike postfix/smtp[20694]: 45TVzq0TsDzJrNy: to=<**censored**@gmail.com>, relay=gmail-smtp-in.l.google.com[172.217.197.27]:25, delay=1.8, delays=0.11/0.013/0.55/1.1, dsn=2.0.0, status=sent (250 2.0.0 OK 1560962408 h14si11564740qvj.217 - gsmtp)
Re: Mails to gmail bouncing
Am 19.06.19 um 12:53 schrieb Viktor Dukhovni: >> On Jun 19, 2019, at 6:37 AM, Ralf Hildebrandt wrote: >> >> The error message says: >> >> 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) > > Ralf, your inattention to detail disappoints me. :-( > > The correct reply to "DATA" is "354" not "250". Something is awfully > out of sync if Gmail is returning "250" in response to "DATA". to me this looks more as a 250 OK response _after_ data is sent because a typical queue ID is part of the response string. I cannot see such errors at a "fast grep" here. Wild guess: smtp-server (or your client) is abnormal and you hit exactly such an instance. -> could you correlate the error with an IP? -> could you enable debug_peer_list for one/some/all? servers generating this error? and: which postfix version do you run? ( @mail-cvk <-> python.org ) Andreas
Re: Workaround: Mails to gmail bouncing
Wietse Venema:
> Ralf Hildebrandt:
> > Jun 19 09:52:43 mail-cvk postfix/smtp[32063]: 45THH93PXyz1Z4Kq:
> > to=,
> > 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))
>
Additional workaround: do not reuse a session after protocol error.
Once a session is messed up, all subsequent reuses would fail too.
Wietse
--- /var/tmp/postfix-3.5-20190615/src/smtp/smtp_trouble.c 2017-12-27
17:29:45.0 -0500
+++ src/smtp/smtp_trouble.c 2019-06-19 10:10:20.0 -0400
@@ -317,6 +317,8 @@
*/
VSTRING_RESET(why->reason);
if (mta_name && status && status[0] != '4' && status[0] != '5') {
+ SMTP_SESSION *session = state->session;
+ DONT_CACHE_THIS_SESSION;
vstring_strcpy(why->reason, "Protocol error: ");
status = "5.5.0";
}
Re: Workaround: Mails to gmail bouncing
* Wietse Venema : > Ralf Hildebrandt: > > Jun 19 09:52:43 mail-cvk postfix/smtp[32063]: 45THH93PXyz1Z4Kq: > > to=, > > 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)) > > Perhaps they messed up their SMTP command pipelining implementation. > > Workaround: > > /etc/postfix/main.cf: >smtp_delivery_status_filter = pcre:/etc/postfix/smtp_dsn_filter > > /etc/postfix/smtp_dsn_filter: > /^5(\.5\.0 Protocol error: .+ in reply to DATA command.+)/ 4$1 > > This way some deliveries will be delayed instead of bounced. I applied this at mail.python.org > We could use debug_peer_list=google.com to make a recording (with > debug_peer_level=1). I applied this at mail.python.org -- [*] 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
Workaround: Mails to gmail bouncing
Ralf Hildebrandt: > Jun 19 09:52:43 mail-cvk postfix/smtp[32063]: 45THH93PXyz1Z4Kq: > to=, > 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)) Perhaps they messed up their SMTP command pipelining implementation. Workaround: /etc/postfix/main.cf: smtp_delivery_status_filter = pcre:/etc/postfix/smtp_dsn_filter /etc/postfix/smtp_dsn_filter: /^5(\.5\.0 Protocol error: .+ in reply to DATA command.+)/ 4$1 This way some deliveries will be delayed instead of bounced. We could use debug_peer_list=google.com to make a recording (with debug_peer_level=1). Wietse
Re: Mails to gmail bouncing
* Viktor Dukhovni : > 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=, 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=, 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=, 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=, 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
Re: Mails to gmail bouncing
* Viktor Dukhovni : > > On Jun 19, 2019, at 6:37 AM, Ralf Hildebrandt wrote: > > > > The error message says: > > > > 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) > > Ralf, your inattention to detail disappoints me. :-( Probably getting old :) > The correct reply to "DATA" is "354" not "250". Something is awfully > out of sync if Gmail is returning "250" in response to "DATA". Yep. See the other logs from mail.python.org -- maybe this heavily depends on connection caching or pipelining? > 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. -- [*] 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
Re: Mails to gmail bouncing
On 19.06.19 12:37, Ralf Hildebrandt wrote: I have a strange problem with mails to GMAIL. A user sent out mails to 90 recipients, half of which are @gmail.com, and those mostly bounced: Jun 19 09:52:43 mail-cvk postfix/smtp[32063]: 45THH93PXyz1Z4Kq: to=, 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 09:52:43 mail-cvk postfix/smtp[32063]: 45THH93PXyz1Z4Kq: to=, 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)) The error message says: 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) really strange, since both 250 and 2.1.5 are successful error codes. do you have anything non-standard in transport maps? Other recipients were @yahoo.com, and some even hosted on google (uniroma1.it): Jun 19 09:52:42 mail-cvk postfix/smtp[32079]: 45THH93PXyz1Z4Kq: to=, relay=ASPMX.L.GOOGLE.COM[173.194.76.27]:25, delay=4.7, delays=3.3/0.44/0.42/0.58, dsn=2.0.0, status=sent (250 2.0.0 OK 1560930762 l7si9891184wrx.266 - gsmtp) Jun 19 09:52:44 mail-cvk postfix/smtp[32063]: 45THH93PXyz1Z4Kq: to=, 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 answer "250 2.0.0 OK 1560930762 l7si9891184wrx.266 - gsmtp" is acceptable, while "250 2.1.5 OK w9si551343wmd.47 - gsmtp" is a protocol error? https://tools.ietf.org/html/rfc3463 says about the extended code 2.1.5: 2.XXX.XXX Success X.1.5 Destination address valid -- Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. - Holmes, what kind of school did you study to be a detective? - Elementary, Watson. -- Daffy Duck & Porky Pig
Re: Mails to gmail bouncing
> On Jun 19, 2019, at 6:37 AM, Ralf Hildebrandt wrote: > > The error message says: > > 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) Ralf, your inattention to detail disappoints me. :-( 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. -- Viktor.
Re: Mails to gmail bouncing
> "250 2.0.0 OK 1560930762 l7si9891184wrx.266 - gsmtp" > > is acceptable, while > > "250 2.1.5 OK w9si551343wmd.47 - gsmtp" > > is a protocol error? I fired up ye olde grep on mail.python.org and found some incidients there as well: # zegrep -c "status=bounced \(Protocol error: host gmail.* 250 2\.1\.5" /var/log/mail.log* /var/log/mail.log:2 /var/log/mail.log.1:6 /var/log/mail.log.2.gz:8 /var/log/mail.log.3.gz:3 /var/log/mail.log.4.gz:9 /var/log/mail.log.5.gz:10 /var/log/mail.log.6.gz:34 /var/log/mail.log.7.gz:21 /var/log/mail.log.8.gz:26 /var/log/mail.log.9.gz:8 /var/log/mail.log.10.gz:3 /var/log/mail.log.11.gz:5 /var/log/mail.log.12.gz:4 /var/log/mail.log.13.gz:5 /var/log/mail.log.14.gz:9 /var/log/mail.log.15.gz:12 /var/log/mail.log.16.gz:8 /var/log/mail.log.17.gz:6 /var/log/mail.log.18.gz:23 /var/log/mail.log.19.gz:17 /var/log/mail.log.20.gz:8 /var/log/mail.log.21.gz:9 /var/log/mail.log.22.gz:5 /var/log/mail.log.23.gz:0 /var/log/mail.log.24.gz:0 /var/log/mail.log.25.gz:5 /var/log/mail.log.26.gz:4 /var/log/mail.log.27.gz:19 /var/log/mail.log.28.gz:7 -- [*] 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
Mails to gmail bouncing
I have a strange problem with mails to GMAIL. A user sent out mails to 90 recipients, half of which are @gmail.com, and those mostly bounced: Jun 19 09:52:43 mail-cvk postfix/smtp[32063]: 45THH93PXyz1Z4Kq: to=, 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 09:52:43 mail-cvk postfix/smtp[32063]: 45THH93PXyz1Z4Kq: to=, 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)) The error message says: 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) Other recipients were @yahoo.com, and some even hosted on google (uniroma1.it): Jun 19 09:52:42 mail-cvk postfix/smtp[32079]: 45THH93PXyz1Z4Kq: to=, relay=ASPMX.L.GOOGLE.COM[173.194.76.27]:25, delay=4.7, delays=3.3/0.44/0.42/0.58, dsn=2.0.0, status=sent (250 2.0.0 OK 1560930762 l7si9891184wrx.266 - gsmtp) Jun 19 09:52:44 mail-cvk postfix/smtp[32063]: 45THH93PXyz1Z4Kq: to=, 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 answer "250 2.0.0 OK 1560930762 l7si9891184wrx.266 - gsmtp" is acceptable, while "250 2.1.5 OK w9si551343wmd.47 - gsmtp" is a protocol error? https://tools.ietf.org/html/rfc3463 says about the extended code 2.1.5: 2.XXX.XXX Success X.1.5 Destination address valid -- [*] 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
