From: mouss (moussnetoyen.net)
Date: Mon Dec 29 2008 - 15:30:53 CST

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Jesper Dybdal a écrit :
> I have just installed a mailing list manager (Mailman) for use with my
> Postfix installation (which has just been upgraded to 2.5.5). I have
> patched Mailman to use the XVERP option on MAIL FROM.
>
> This works, but I was surprised to see that when the recipient address
> provided by Mailman is rewritten by Postfix' virtual_regexp, then the
> recipient address that Postfix encodes in the envelope return path is
> the rewritten address, rather than the original subscriber address that
> Mailman knows.
>
> Since mailing list software using XVERP needs to recognize the address
> from the envelope return path as being equal to the subscribed address,

Really? AFAIK, most list managers use the From: header.

> would it not be better to always use the raw address from RCPT TO,
> rather than the rewritten one, when creating the VERP'ed return path?
>
> I have not tested this with the 2.6 experimental release, but the
> release notes say nothing about VERP, so I assume the behaviour is the
> same in 2.6.
>
> (This is not a serious problem for me: the addresses that are rewritten
> in my installation are in practice local addresses and it is extremely
> unlikely that they will bounce. But it surprised me.)

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