ietf-smtp
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2821bis and address rewriting (was: Re: Fixing graylisting [was TBR])

2007-11-17 10:12:52



--On Saturday, November 17, 2007 6:57 AM -0800 ned+ietf-smtp(_at_)mrochek(_dot_)com wrote:

Sieve processors executing redirect statement are permitted
to change the MAIL FROM, or leave it.

With one important exception: If the return address is empty
you're not
supposed to fill it in. If you do you can end up creating a
bounce loop.

I've been wondering if this restriction/concern needs to be
mentioned in 2821bis.

I'm working this weekend on what I hope will be the last version of 2821bis prior to IETF Last Call, so, if you think such a mention would be useful, please propose text and where it should go.

  john