how to exclude hosts from signing

From: Serge Torop <serge.torop_at_gmail.com>
Date: Sun, 3 Jun 2012 00:40:59 +0400

Hello, all,

I have installed opendkim on my outgoing mail server (A).
Also I have some mail application on it.

Is it possible to exclude some my external mail server (B)
from signing on "A" by his IP address or hostname because it
send mail twice from B to A?

Thank you in advance,

-- 
Serge P. Torop
Received on Sat Jun 02 2012 - 20:41:13 PST

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