RE: Yahoo Received header modification invalidating DKIM signature

From: Murray S. Kucherawy <msk_at_cloudmark.com>
Date: Tue, 29 Jun 2010 15:05:05 -0700

> -----Original Message-----
> From: opendkim-dev-bounce_at_lists.opendkim.org [mailto:opendkim-dev-
> bounce_at_lists.opendkim.org] On Behalf Of SM
> Sent: Tuesday, June 29, 2010 2:58 PM
> To: opendkim-dev_at_lists.opendkim.org
> Subject: Yahoo Received header modification invalidating DKIM signature
>
> Hello,
> [...]
> A timezone is being added:
>
> Received: from [12.157.195.83] by web112620.mail.gq1.yahoo.com via
> HTTP;
> Tue, 29 Jun 2010 08:01:08 -0700 (PDT)

Interesting. This means some Yahoo! MTA is adding the timezone comment after signing but before it leaves the ADMD?
Received on Tue Jun 29 2010 - 22:05:14 PST