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Re: Response to 1st From header?

2002-04-24 00:32:56
"John D. Hardin" <jhardin(_at_)impsec(_dot_)org> writes:
On Wed, 24 Apr 2002, Philip Choy wrote:
{trimmed a bit}
From s033226(_at_)income(_dot_)com(_dot_)sg  Wed Apr 24 10:29:15 2002
From: s015354 <s015354(_at_)income(_dot_)com(_dot_)sg>

I am using santizier version 1.134. And, i notice that it respond
to s015354, instead of s033226. You know, Klez spoofs the email
addresses. The santizier has replied to most of spoofed email
addresses, instead of original ones.. creating confusion among the
senders. Is there any way to tweak santizier respond to s033226,
instead of s015354? ie original sender, rather than spoofed one.

He means "envelope sender, not header sender".  If anything, the header
sender is the 'original' being the supposed author of the content.


The sanitizer just uses formail's "generate reply headers" function.
What version of procmail are you using?

This is a critical question, as the behavior of formail -r (with and
without -t) changed in version 3.14.


Philip (on the procmail list), is there some reason that "formail -r"
seems to be using the From: header rather than the From_ header to
generate the reply address?

I would guess he's using a version of formail before 3.14, as 3.14 and
later will prefer the address from the Return-Path: field or "From "
line over the address from the Reply-To: or From: field when used without
the -t option.  If that's the case, the solution/answer is "upgrade".


Philip Guenther
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