Re: Stab.c patch appears to resolve To: Header munging that broke DKIM validation - Was Re: SA DKIM related bug 6462 - Possibly Gmail, Sendmail and/or Thunderbird related?

From: Kevin A. McGrail <>
Date: Mon, 16 Jan 2012 17:59:52 -0500

>> I have tested the stab.c patch on 8.14.5 (attached) you sent on
>> 12/16 on a production server without the nocanonify feature
>> including testing both gmail and with manual injection as posted
>> prior. I am happy to report that I do not see the To: header being
>> changed. I also had others that have helped me replicate the issue
>> prior send test emails that successfully passed DKIM from gmail.
> Thanks!
> The patch will be in the next sendmail version (sorry, no
> release date known yet.)
The thanks is all mine. This was a very tough bug to pin down and
without your patch, I would have likely just used the nocanonify feature
not fully knowing the fall-out from that decision.


*Kevin A. McGrail*
Peregrine Computer Consultants Corporation
3927 Old Lee Highway, Suite 102-C
Fairfax, VA 22030-2422
703-359-9700 x50 / 800-823-8402 (Toll-Free)
703-359-8451 (fax) <>
Received on Mon Jan 16 2012 - 23:00:01 PST

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