RE: opendkim verify, but signed email has a hardfail. Fwd: [Fwd: Auto-response from dk.elandsys.com]

From: Murray S. Kucherawy <msk_at_cloudmark.com>
Date: Tue, 8 Nov 2011 23:12:58 -0800

> -----Original Message-----
> From: opendkim-users-bounce_at_lists.opendkim.org [mailto:opendkim-users-bounce_at_lists.opendkim.org] On Behalf Of Josef Karliak
> Sent: Tuesday, November 08, 2011 11:08 PM
> To: SM
> Cc: opendkim-users_at_lists.opendkim.org
> Subject: Re: opendkim verify, but signed email has a hardfail. Fwd: [Fwd: Auto-response from dk.elandsys.com]
>
> Hi,
> I forward the results of the test. I had to forward it as a
> attachment.
> But you're right, signing is on the one server, then it is mail sent
> to another, that make antivir/antispam check (postfix with Virusbuster
> and with spamassasisn), then is email sent to our another pop3/imap
> server or to the server to the internet by MX record...Could be it ?

If there is any change at all to the signed parts of the message after it hits the antivirus/antispam server, that'll break the signature. So yes, I'd look there.
Received on Wed Nov 09 2011 - 07:13:06 PST

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