Re: problem e-mailing debian groups
On Saturday 14 November 2015 00:43:43 Miles Fidelman wrote:
> On 11/13/15 7:15 PM, Lisi Reisz wrote:
> > On Friday 13 November 2015 22:14:30 Don Armstrong wrote:
> >> On Fri, 13 Nov 2015, Steve Kleene wrote:
> >>> Almost five years ago, I became unable to post questions here by
> >>> e-mail. The
> >>>
> >>> e-mail bounces with, for example:
> >>>> The following message to <debian-user@lists.debian.org> was
> >>>> undeliverable. The reason for the problem:
> >>>> 5.1.0 - Unknown address error 550-'5.1.7
> >>>
> >>> <prvs=752320ad2=skdeb@syrano.acb.uc.edu>: Sender address rejected:
> >>> undeliverable address: host syrano.acb.uc.edu[129.137.3.161] said: 550
> >>> 5.1.1 <prvs=752320ad2=skdeb@syrano.acb.uc.edu>... User unknown (in
> >>> reply to RCPT TO comm
> >>>
> >>>> --4pO84.596/vqwKa.2j26M/gYqU.DibVXRw
> >>>> content-type: message/delivery-status
> >>>>
> >>>> Reporting-MTA: dns; ucmailmx4.uc.edu
> >>>>
> >>>> Final-Recipient: rfc822;debian-user@lists.debian.org
> >>>> Action: failed
> >>>> Status: 5.0.0 (permanent failure)
> >>>> Remote-MTA: dns; [82.195.75.100]
> >>>> Diagnostic-Code: smtp; 5.1.0 - Unknown address error 550-'5.1.7
> >>>
> >>> <prvsu2320ad2=skdeb@syrano.acb.uc.edu>: Sender address rejected:
> >>> undeliverable address: host syrano.acb.uc.edu[129.137.3.161] said: 550
> >>> 5.1.1 <prvsu2320ad2=skdeb@syrano.acb.uc.edu>... User unknown (in re
> >>>
> >>>> --4pO84.596/vqwKa.2j26M/gYqU.DibVXRw
> >>>> content-type: message/rfc822
> >>>
> >>> This commenced about the time my employer started prepending a bounce
> >>> address validation tag ("prvs=752320ad2=" in the above example) to my
> >>> e-mail address on outgoing mails. This fails with the debian lists but
> >>> nowhere else. I have circumvented the problem ever since by posting
> >>> via gmane.org.
> >>
> >> This is because you are not supporting sender callback verification; the
> >> envelope from that you are using needs to be an address which can be
> >> received. If not, it's not valid.
> >>
> >> See https://en.wikipedia.org/wiki/Callback_verification for details
> >
> > That's the problem, not the solution, Don.
>
> Well the solution is to have a talk with the mail system admin who
> reconfigured the mail system, and did a half-assed job of it.
Most employers are going to reconfigure their email systems to suit the hobby
of one of their employees? You have obliging employers where you come from!
Lisi
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