Two DKIM signiture problem

Getting dual DKIM signature's which ever way I send mail..

when I use roundcube

Code: [Select]

Subject: (no subject)
Received: from server.mydomain.com ([194.100.10.10]) by inbound-c2.mxswitch.com with ESMTP; 01 Jul 2015 12:47:54 -0500
Received: from localhost (unknown [127.0.0.1]) by server.mydomain.com (Postfix) with ESMTP id BC992AF81D3C for <ping@tools.mxtoolbox.com>; Wed,  1 Jul 2015 17:47:51 +0000 (UTC)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=mydomain.com; s=default; t=1435772871; bh=frcCV1k9oG9oKj3dpUqdJg1PxRT2RSN/XKdLCPjaYaY=; h=Date:From:To:Subject; b=Bjj3atFe5Fl1wbyvqyx6sUsM1Mu9oCe3aNXe7MxXsrPjRp4trpGot1winm+nm8Q2z  bZOWvbIzaOciG8Rxob3fdrG67Xk9jXPv2se+bhGnd0CHQRiuBVKZj1iVEe2NWqmKr7  cQ102PdWUc4A06gtjTD1NCXeI7neJAgOMcWi9rTk=
X-Virus-Scanned: amavisd-new at mydomain.com
Received: from server.mydomain.com ([127.0.0.1]) by localhost (server.mydomain.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tjBUOEujSvjd for <ping@tools.mxtoolbox.com>; Wed,  1 Jul 2015 20:47:45 +0300 (EEST)
Received: from www.mydomain.com (localhost.localdomain [127.0.0.1]) by server.mydomain.com (Postfix) with ESMTPA id A4B4DAF81D3B for <ping@tools.mxtoolbox.com>; Wed,  1 Jul 2015 20:47:45 +0300 (EEST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=mydomain.com; s=default; t=1435772865; bh=frcCV1k9oG9oKj3dpUqdJg1PxRT2RSN/XKdLCPjaYaY=; h=Date:From:To:Subject; b=XXPnSi30RUOC9nAGzXZWx0iS1wU984S8Z/D9IexnBZEVjlxLySsBTwlE+upAnjUOn  6jxhcSAkhDaaoOlRD9guj67T4V14rIgpIY5uXE38A+w4wu8t43Ch3C+SNWLLByl7L6  x4e91xV/pZnEXipfFQ+IYFTrraImVp/TAJ2yWi9Y=
MIME-Version: 1.0
Date: Wed, 01 Jul 2015 20:47:45 +0300
From: admin@mydomain.com
To: ping@tools.mxtoolbox.com
Message-ID: <1f544de66a67f9b2498e1c94fa62d80a@mydomain.com>
X-Sender: admin@mydomain.com
User-Agent: Roundcube Webmail/1.1.2


when using sending from my computer to the server

Code: [Select]

Subject:
Received: from server.mydomain.com ([194.100.10.10]) by inbound-c2.mxswitch.com with ESMTP; 01 Jul 2015 11:46:57 -0500
Received: from localhost (unknown [127.0.0.1]) by server.mydomain.com (Postfix) with ESMTP id 78833AF81D3C for <ping@tools.mxtoolbox.com>; Wed,  1 Jul 2015 16:46:55 +0000 (UTC)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=mydomain.com; s=default; t=1435769215; bh=frcCV1k9oG9oKj3dpUqdJg1PxRT2RSN/XKdLCPjaYaY=; h=Date:From:To; b=PD1TkHCzyo6onuwUPPtWjfTwmVsLO7h2TgdsDul0bzjqtGLeRpLk/h23ny8f/MP5z  tjekD5hrD5833lPaqO0fGuS4IyPoLfgnFkirFLmZBvzmAnslKflqbBrJ8/mnNQWTWs  N3dosXVsf0yRgdFe4p3mGNXzoftoOuypu7daJTbs=
X-Virus-Scanned: amavisd-new at mydomain.com
Received: from server.mydomain.com ([127.0.0.1]) by localhost (server.mydomain.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Qie1_brDb9Fw for <ping@tools.mxtoolbox.com>; Wed,  1 Jul 2015 19:46:49 +0300 (EEST)
Received: from [10.10.0.100] (unknown [46.196.145.123]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by server.mydomain.com (Postfix) with ESMTPSA id 64B7BAF81D3B for <ping@tools.mxtoolbox.com>; Wed,  1 Jul 2015 19:46:49 +0300 (EEST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=mydomain.com; s=default; t=1435769209; bh=frcCV1k9oG9oKj3dpUqdJg1PxRT2RSN/XKdLCPjaYaY=; h=Date:From:To; b=Lg6cT8GciBVetbT/1IaBRGT/se8Qwj6sbsj9YT1E3rH/R3Wc9mIqJx9XstXoJCcVr  fnMyd876KqHk//M7HzAK5mwC54kP1Lv9q+LsEUIwUjAi7xwDUWpbkWD/ZtvHeagza5  1zFfIK8Acc6Swxd0dvuCk0N2ZiincK9RRXIqNybs=
Message-ID: <55941971.7040800@mydomain.com>
Date: Wed, 01 Jul 2015 19:46:41 +0300
From: Admin <admin@mydomain.com>
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0
MIME-Version: 1.0
To: ping@tools.mxtoolbox.com
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
I'm a bit lost on how to fix this issue.

my zone file looks like this

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mail IN A 194.100.10.10
server IN A 194.100.10.10

localhost.mydomain.com. IN A 127.0.0.1

mydomain.com. IN MX 0 server.mydomain.com.

mydomain.com. IN TXT "v=spf1 +a +mx +ip4:194.100.10.10 ~all"

p.s. changed my ip and domain name.


tried playing around with postfix settings to no avail. any help as to what I've done wrong, or what setting to change?

Found a solution if anyone needs it.

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nano /etc/postfix/master.cf
scroll to the bottom and find the line

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127.0.0.1:10025 inet n - y - - smtpd below it add

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-o smtpd_milters=

how to make key dkim   :[



uncommented a few lines and i got activate 3 balls red to green, but the ball red column dkim i don't know. help me,
i can't send no email, nem receive email.

all services activates, firewall disabled



 

Thanks, this was helpful for me. Wonder if anyone knows why this is happening and is there any intuitive cwp solution for this problem?