Re: Weird Bluewin Server Problem (occasional 550 5.1.1)

Benoit,

There was a problem @ Swisscom - it might be that your issues could have 
been related to this.
Should be solved. If this still happens tell me, I would try to gather 
more details on specific errors.

greetings

-steven

Am 24.01.2019 13:54, schrieb Benoit Panizzon:
> Dear List
> 
> Has anyone else experienced this problem? According to our customer, it
> occurred a couple of times in the last days:
> 
> Sender and Destinations are the same in all examples:
> 
> Our customer is sending an email to bluewin:
> 
> Jan 23 13:32:42 obelix postfix-submit.obelix/smtp[28721 C5015C0CE5:
> to=<****@bluewin.ch>, relay=mxbw.lb.bluewin.ch[195.186.120.50]:25,
> delay=57, delays=1.6/0.01/44/11, dsn=2.0.0, status=sent (250 2.0.0
> mHh5gTobfzOqbmHhngLDSm mail accepted for delivery)
> 
> Bluewin Customer replies:
> 
> Jan 23 17:10:17 obelix milter-greylist: (unknown id): skipping
> greylist because address 195.186.120.132 is in DNSRBL,
> (from=<****@bluewin.ch>, rcpt=<****@breitband.ch>,
> addr=vimdzmsp-sfwd03.bluewin.ch[195.186.120.132]) ACL 196
> 
> Our customer replies:
> 
> Jan 23 17:24:38 obelix postfix-submit.obelix/smtp[12583 D0AE7C10EE:
> to=<****@bluewin.ch>, relay=mxbw.lb.bluewin.ch[195.186.120.50]:25,
> delay=101, delays=0.27/0.01/66/35, dsn=5.1.1, status=bounced (host
> mxbw.lb.bluewin.ch[195.186.120.50] said: 550 5.1.1 <*****@bluewin.ch>
> recipient rejected, address unknown (in reply to RCPT TO command))
> 
> Same IP Address of same bluewin server as before, not replies the
> destination does not exist. I can assure you, it is the same address as
> before.
> 
> Our customer tries again:
> 
> Jan 23 17:32:23 obelix postfix-submit.obelix/smtp[26676 C9470C1271:
> to=<*****@bluewin.ch>, relay=mxbw.lb.bluewin.ch[195.186.227.50]:25,
> delay=3, delays=0.24/0.02/0.59/2.1, dsn=2.0.0, status=sent (250 2.0.0
> mJApg3d9Gp4S3mJAqgsUex mail accepted for delivery)
> 
> Now the email is getting through!
> 
> Mit freundlichen Grüssen
> 
> -Benoît Panizzon-
> --
> I m p r o W a r e   A G    -    Leiter Commerce Kunden
> ______________________________________________________
> 
> Zurlindenstrasse 29             Tel  +41 61 826 93 00
> CH-4133 Pratteln                Fax  +41 61 826 93 01
> Schweiz                         Web  http://www.imp.ch
> ______________________________________________________
> 
> 
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