spf-discuss
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RE: [spf-discuss] SPF TXT Questions re Effectiveness

2006-11-22 08:22:29
On Tue, 21 Nov 2006, Seth Goodman wrote:

I see the problem.  This does complicate rejecting bogus DSN's.  To
the extent that you need to accept these malformed DSN's and you
still want to protect yourself from forged bounces, there is not
much choice.  This still doesn't interfere with postmaster sending
you ordinary mail, and you still reject bogus DSN's that don't meet
one of the three criteria you listed.  The last two are particularly
annoying.  What MTA's do this?

A quick look turns up the mostly the following:

From: Symantec_Mail_Security_for_SMTP(_at_)garveyintl(_dot_)com
Content-Type: multipart/report; report-type=delivery-status;

-- 
              Stuart D. Gathman <stuart(_at_)bmsi(_dot_)com>
    Business Management Systems Inc.  Phone: 703 591-0911 Fax: 703 591-6154
"Confutatis maledictis, flammis acribus addictis" - background song for
a Microsoft sponsored "Where do you want to go from here?" commercial.

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