My reading of RFC821 and 822 indicates that the mail server should not
even be looking at the RFC822 headers.  Correct me if I'm wrong but the
SMTP envelope is supposed to be the only thing the mail server looks at.

Nathan

On Fri, 21 May 1999 15:44:53 +0100 Dave Wilson said:
>On Fri, May 21, 1999 at 09:57:07AM -0400, Nathan Brindle wrote:
>> Nope.  This is a feature of the mail server on the remote side.  LISTSERV
>> does everything it can to ensure that bounce mail goes back to the
>> owner-listname address for the list, but it can't keep remote mail
>> servers from ignoring RFC821 and bouncing mail back to the RFC822
>> From:, Sender:, or Reply-To: address if that's the way the remote mailer
>> is implemented.
>
>On this subject, what is the *correct* way for an MTA to treat an
>Errors-To: RFC822 header that is different from the MAIL FROM: in the
>envelope?
>
>In this case a subscriber's mailer adds an Errors-To: pointing back to
>themselves, and they post, and a remote MTA which is generating a bounce
>message honours the Errors-To: in the post (pointing to subscriber) instead
>of the MAIL FROM: (pointing to the listserv bounce processer). Should I
>tell the remote site to stop honouring the headers, or should I tell the
>client to stop generating them?
>
>Regards,
>Dave
>
>--
>----------------------------------- [log in to unmask]  Dave Wilson, HEA-NOC
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