Re: Lee: Re: smail Solution for Dynamic IP's
kotsya@u.washington.edu (David Stern) writes:
> On Thu, 26 Feb 1998 22:19:37 EST, Lee Bradshaw wrote:
[snip]
> > If I didn't mention this before, I'm not cc'ing you because ipa.net
> > rejects my "from " lines as spam.
>
> I don't understand why a correct header would be rejected. I'd like to
> see some details for the basis to this claim, because I use the same
> address style as you and Daniel. Please tell.
What about the envelope sender? sendmail writes this as:
>From c.evans@clear.net.nz Sun Mar 1 16:12:31
or something similar at the top of the message. qmail puts:
Return-Path: <c.evans@clear.net.nz>
as RFC821 and RFC822 (4.3.1, 4.4.3) suggest.
It appears that the Debian list server renames this to
"X-Envelope-Sender:" before passing the message on, which shows that
Lee Bradshaw's envelope sender is (or has been)
"bradshaw@freefall.home.bradshaw", and yours (David Stern's) is
"kotsya@localhost". At least "localhost" will succeed in some DNS
lookups. (I had my envelope sender set wrong until recently too.
It's difficult to notice.) And it *is* forged by spammers.
The Return-Path is where bounced email should go, BTW, which is partly
why it gets forged. Have either of you received any bounces lately?
--
Carey Evans http://home.clear.net.nz/pages/c.evans/
GNU GPL: "The Source will be with you... always."
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