DKIM Signature

[ashrocks]

Did anyone tried using DKIM signature or Domain key through Zimbra and dkim-filter.?

[phoenix]

Originally Posted by ashrocks

Did anyone tried using DKIM signature or Domain key through Zimbra and dkim-filter.?

I'm sure people have used it but you'd be far better giving a description of your problem and what you've done with DKIM and what your configuration is.

[ashrocks]

I followed this forum as zimbra functions on postfix.

Quick And Easy Setup For DomainKeys Using Ubuntu, Postfix And Dkim-Filter | HowtoForge - Linux Howtos and Tutorials

I tested my domain key selector at this page, and it worked fine.
postalmail._domainkey.americanmutuallons.com

DomainKey Selector Record Tester


But i could not let it run DKIM. I am checking at this website for domainkey information on my email.

Brandon Checketts

I don't even know where to find the error logs. my master.cf includes this from: DomainKeys filter for Postfix

/etc/postfix/master.cf:

#
# modify the default submission service to specify a content filter
# and restrict it to local clients and SASL authenticated clients only
#
submission inet n - n - - smtpd
-o smtpd_etrn_restrictions=reject
-o smtpd_sasl_auth_enable=yes
-o content_filter=dksign:[127.0.0.1]:10027
-o receive_override_options=no_address_mappings
-o smtpd_recipient_restrictions=permit_mynetworks,per mit_sasl_authenticated,reject

#
# specify the location of the DomainKeys signing filter
#
dksign unix - - n - 10 smtp
-o smtp_send_xforward_command=yes
-o smtp_discard_ehlo_keywords=8bitmime

#
# service for accepting messages FROM the DomainKeys signing filter
#
127.0.0.1:10028 inet n - n - 10 smtpd
-o content_filter=
-o receive_override_options=no_unknown_recipient_chec ks,no_header_body_checks
-o smtpd_helo_restrictions=
-o smtpd_client_restrictions=
-o smtpd_sender_restrictions=
-o smtpd_recipient_restrictions=permit_mynetworks,rej ect
-o mynetworks=127.0.0.0/8
-o smtpd_authorized_xforward_hosts=127.0.0.0/8

Execute postfix reload for Postfix to respond to changes in /etc/postfix/master.cf.

[ashrocks]

This is my header at yahoo. when i send there through thunderbird.
This goes directly in JUNK Folder
I validated SPF and is verified, It doesn't do with GMAIL though.

From Administrator Fri Dec 3 20:40:39 2010
X-Apparently-To: ash1985@yahoo.com via 67.195.15.199; Fri, 03 Dec 2010 12:42:51 -0800
Return-Path: <admin@americanmutualloans.com>
X-YahooFilteredBulk: XX.XX.XX.XX
Received-SPF: pass (mta141.mail.ac4.yahoo.com: domain of admin@americanmutualloans.com designates 6X.XX.XX.XX as permitted sender)
X-YMailISG: wUHkvFscZAqVRr3minZq4qsUeUsUp4Ilta.TDwn5qHMTzms5
77XkoDm9ENW2oLob52mJMRRuaf4_5xpPZ28tqn1VZ.VX7z1DnA X_fNxZqP8U
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81yzs.z8uVkKtsKiRpqknqPuLWR6HTFXOwbrNSu6PYuydAbQtb h_GdxSMsjV
nQMfldXebO.bZ6jTi9.JbOGGAEV.mPgrCz4xeG2ETMvY1n8Uor WrgEgeJee1
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z_KvZBQdidT2sahZSu1gR9xy4Hm5RUw-
X-Originating-IP: [6X.XX.XX.XX]
Authentication-Results: mta141.mail.ac4.yahoo.com from=americanmutualloans.com; domainkeys=neutral (no sig); from=americanmutualloans.com; dkim=pass (ok)
Received: from 127.0.0.1 (EHLO xxxx.americanmutualloans.com) (6X.XX.XX.XX)
by mta141.mail.ac4.yahoo.com with SMTP; Fri, 03 Dec 2010 12:42:51 -0800
Received: from localhost (localhost [127.0.0.1])
by postal.americanmutualloans.com (Postfix) with ESMTP id CECC08808
for <ash1985@yahoo.com>; Fri, 3 Dec 2010 14:41:11 -0600 (CST)
X-Virus-Scanned: amavisd-new at americanmutualloans.com
Received: from xxxx.americanmutualloans.com ([127.0.0.1])
by localhost (xxxxxx.americanmutualloans.com [127.0.0.1]) (amavisd-new, port 10024)
with ESMTP id BtRuppzEPjSb for <ash1985@yahoo.com>;
Fri, 3 Dec 2010 14:41:10 -0600 (CST)
Received: from [10.10.0.10] (unknown [10.10.10.10])
by xxxxx.americanmutualloans.com (Postfix) with ESMTPSA id 48ABA8804
for <ash1985@yahoo.com>; Fri, 3 Dec 2010 14:41:10 -0600 (CST)
DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple;
d=americanmutualloans.com; s=postalmail; t=1291408870; bh=frcCV1k9o
G9oKj3dpUqdJg1PxRT2RSN/XKdLCPjaYaY=; h=Message-IDate:From:
MIME-Version:To:Subject:Content-Type:Content-Transfer-Encoding;
b=m5Tybqr/xORACtoksLZNwf9wscKOieKG7d/yVGdVjkGaNTcEcUQyNWF6dB3izDbLe
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n9tW1LlS15XjXgSCXessdRifYl0ZzE4vhKM/65c=
Message-ID: <4CF955C7.4060209@americanmutualloans.com>
Date: Fri, 03 Dec 2010 14:40:39 -0600
From: Administrator <admin@americanmutualloans.com>
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:1.9.2.12) Gecko/20101027 Thunderbird/3.1.6
MIME-Version: 1.0
To: ash1985@yahoo.com
Subject: Test DKIM
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Content-Length: 1