Am 23.07.2014 12:33, schrieb Pau Peris:
> I enabled notify for deferred to be able to handle and solve issues 
> like the one exposed in this email

so you are aware that you enabled that notifies?

then solve the issue on the side of "jazztel.es"
you can't?

well, and that is why these notifies are useless or at least
enable them and then ask a 3rd party (the list) how to deal
with something nobody but the admin of the RCPT server can
answer

> I didn't notice the postconf -n tip. Excuses. Here's the output: 
> https://gist.github.com/sibok/f8a84b00918928885178

no external references, please try to understand how list archives
work - external references sooner or later go away and if a
thread could be helpful it get lost of his references

anyways, it's not needed because you statet your two mistakes:

* enable non-default behavior
* complete wrong reaction because of the non-default behavior

so you have three solutions:

* revert the config change
* ignore that mails
* ask each and every RCPT admin why deferred - i wish you luck with that

> On Wed, Jul 23, 2014 at 12:20 PM, li...@rhsoft.net <mailto:li...@rhsoft.net> 
> <li...@rhsoft.net
> <mailto:li...@rhsoft.net>> wrote:
>>
>> Am 23.07.2014 11:51, schrieb Pau Peris:
>> > while trying to send emails to the following address 
>> > some_u...@f-gs.jazztel.es
> <mailto:some_u...@f-gs.jazztel.es> <mailto:some_u...@f-gs.jazztel.es 
> <mailto:some_u...@f-gs.jazztel.es>> i
>> > always get the following error message. Could any one tell where can i 
>> > look in order to find what's going wrong?
>>
>> first: don't post HTML - see the mess in the quote below
>>
>> > Jul 23 11:42:29 we postfix/smtp[30874]: 6B9D64563A: 
>> > to=<j...@f-gs.jazztel.es <mailto:j...@f-gs.jazztel.es>
> <mailto:j...@f-gs.jazztel.es <mailto:j...@f-gs.jazztel.es>>>,
>> > relay=mail.jazztel.es <http://mail.jazztel.es> 
>> > <http://mail.jazztel.es>[62.14.3.193]:25, delay=7.3,
> delays=0.03/0/5.1/2.2, dsn=4.0.0,
>> > status=deferred (host mail.jazztel.es <http://mail.jazztel.es> 
>> > <http://mail.jazztel.es>[62.14.3.193] said: 421
> Unexpected failure, please
>> > try later (in reply to end of DATA command))
>>
>> "mail.jazztel.es <http://mail.jazztel.es>" responded with a temporary error 
>> and so your postfix
>> would try again later, we don't know what "Unexpected failure" could
>> mean because we are not "jazztel.es <http://jazztel.es>"
>>
>> > This is the bounce email it generates
>>
>> Will-Retry-Until: Sun, 27 Jul 2014 08:53:45 +0200 (CEST)
>>
>> so why in the world did you enable notify about deferred mail?
>> that's not default behavior - that case above normally just
>> don't bother you because it is retried for 5 days, most likely
>> delivered later and only if it fails finally bounced local
>>
>> however, follow the welcome message and provide "postconf -n"
>>
>> > <j...@f-gs.jazztel.es <mailto:j...@f-gs.jazztel.es> 
>> > <mailto:j...@f-gs.jazztel.es
> <mailto:j...@f-gs.jazztel.es>>>: host mail.jazztel.es 
> <http://mail.jazztel.es> <http://mail.jazztel.es>[62.14.3.193]
>> > said: 421 Unexpected
>> >     failure, please try later (in reply to end of DATA command)
>> >
>> > Final-Recipient: rfc822; j...@f-gs.jazztel.es 
>> > <mailto:j...@f-gs.jazztel.es> <mailto:j...@f-gs.jazztel.es
> <mailto:j...@f-gs.jazztel.es>>
>> > Original-Recipient: rfc822;j...@f-gs.jazztel.es 
>> > <mailto:rfc822%3bj...@f-gs.jazztel.es>
> <mailto:rfc822%3bj...@f-gs.jazztel.es 
> <mailto:rfc822%253bj...@f-gs.jazztel.es>>
>> > Action: delayed
>> > Status: 4.0.0
>> > Remote-MTA: dns; mail.jazztel.es <http://mail.jazztel.es> 
>> > <http://mail.jazztel.es>
>> > Diagnostic-Code: smtp; 421 Unexpected failure, please try later
>> > Will-Retry-Until: Sun, 27 Jul 2014 08:53:45 +0200 (CEST)

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