Re: Signing mail from mutiple smtp servers

From: Roman Gelfand <rgelfand2_at_gmail.com>
Date: Thu, 12 Sep 2013 12:54:11 -0400

what happens when you have dkim txt records from domain.biz (mx
domain) and and different dkim txt records from mrx1.maildomain.com
(outbound smtp server)? Does any one take precedence or which ever
one works that is what is going to get resolved?

Thanks in advance

On Wed, Sep 11, 2013 at 12:23 PM, Murray S. Kucherawy <msk_at_blackops.org> wrote:
> On Wed, 11 Sep 2013, Roman Gelfand wrote:
>>
>> My mail could be sent either from yahoo smtp server or my personal server.
>> When a destination server receives dkim signed email, assuming it could do
>> dkim verification, does it dkim verify based on individual mail host the
>> mail is coming from or based on from email's domain ( ie..
>> user_at_emaildomain.com where email's domain is emaildomain.com as opposed to
>> smtp host mx01.anotheremaildomain.com).
>
>
> The name and IP address of the host sending the message aren't part of the
> DKIM protocol, so no, it doesn't matter what path the message follows.
>
> -MSK
Received on Thu Sep 12 2013 - 16:54:28 PST