* Noel Jones <njo...@megan.vbhcs.org>:
> On 4/22/2011 10:40 AM, Shields, Rusty (IMS) wrote:
> >Thanks to those who responded to my earlier email.
> >
> >I'll restate my problem and post the output from postfinger below that.
> >
> >Our postfix server has recently started reporting bounces for emails that
> >are being successfully delivered. These are all for email addresses that are
> >all within our domain, with one server acting as a relay for multiple
> >servers within our organization. Also, there's no real pattern that I can
> >see. Within a short timeframe (10-15 minutes), similar emails from the same
> >source to the same users have alternately been recorded with status of sent,
> >bounced and sent. Postfix has been running in this fashion on this server
> >for quite a long time, but these false bounce reports just started appearing
> >about a week ago.
> >
> >The bounced emails are recorded like this in the log:
> >Apr 14 17:22:57 tilapia postfix/smtp[19383]: 8F27A27954:
> >to=<hama...@imsweb.com>, relay=mailrelay.imsweb.com[204.132.58.6], delay=0,
> >status=bounced (host mailrelay.imsweb.com[204.132.58.6] said: 554 Format
> >restriction violation. Email Session ID: {4DA765B1-6-6565EC3F-FFFF} (in
> >reply to end of DATA command))
>
>
> The 554 response code sent by the remote server is a firm "message
> not accepted" response according to the SMTP protocol standards.
>
> The remote server signals that it will not accept the message and
> postfix should return it.
>
> Apparently the remote server is badly broken and delivers the mail
> anyway.
That's highly probable, since the answer comes after END OF DATA.
Together with the observations of the effects of "soft_bounce = yes"
this seems to indicate that mailrelay.imsweb.com[204.132.58.6] is broken
Have you asked postmas...@imsweb.com yet?
--
Ralf Hildebrandt
Geschäftsbereich IT | Abteilung Netzwerk
Charité - Universitätsmedizin Berlin
Campus Benjamin Franklin
Hindenburgdamm 30 | D-12203 Berlin
Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
ralf.hildebra...@charite.de | http://www.charite.de
