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Re: BUG #5012: mailing list VERP addresses not sender-verifiable

From: Greg Stark <gsstark(at)mit(dot)edu>
To: Gergely Czuczy <gergely(dot)czuczy(at)harmless(dot)hu>
Cc: Alvaro Herrera <alvherre(at)commandprompt(dot)com>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #5012: mailing list VERP addresses not sender-verifiable
Date: 2009-08-26 20:46:12
Message-ID: 407d949e0908261346ub37baa6i2cfae57b41193d98@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-bugs
On Wed, Aug 26, 2009 at 7:59 PM, Gergely
Czuczy<gergely(dot)czuczy(at)harmless(dot)hu> wrote:
> AFAIK exim generates a bounce to test the address, and for that I'm
> getting a reject saying that the user is unknown for the VERP address.
>
> Aug 26 04:02:05 hostname exim[70819]: H=mx1.hub.org
> [200.46.208.106] sender verify fail for <pgsql-announce-owner+M1580=phoemix=harmless(dot)hu(at)postgresql(dot)org>: response
> to "RCPT
> TO:<pgsql-announce-owner+M1580=phoemix=harmless(dot)hu(at)postgresql(dot)org>"
> from mx1.hub.org [200.46.208.106] was: 550 5.1.1
> <pgsql-announce-owner+M1580=phoemix=harmless(dot)hu(at)postgresql(dot)org>:
> Recipient address rejected: User unknown in relay recipient table

That's odd. When I tested it I got a 450 greylist. That causes the
mailer to hold the email and then resend again later. My email didn't
have the "=foo=bar.baz" component though, just +M0000.



-- 
greg
http://mit.edu/~gsstark/resume.pdf

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