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Thread: DKIM on Ver 7.2.1?

  1. #1
    fairch is offline New Member
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    Default DKIM on Ver 7.2.1?

    Hi,

    I have Zimbra 7.2.1 running on Ubuntu 8.04 LTS, and I would like to implement DKIM, because I'm under the impression that it would improve the deliverability of my email. Version 8.0 has this readily available, from what I understand. But, is it possible to implement DKIM on 7.2.1, even, if need be, using some third party software?

    I would be willing to upgrade to Version 8, but that appears to mean that I would have to go to 64-bit, and that would mean buying new hardware, if I understand it correctly, which I can't afford to do at the moment.

  2. #2
    phoenix is online now Zimbra Consultant & Moderator
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    Search the forums (or the internet) for "openDKIM", follow any of the instructions you find.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    fairch is offline New Member
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    Hi,

    I installed openDKIM. The problem is, in testing it, when I send email, in the header, on the receiving end I get the phrase, "domainkeys=neutral (no sig)".

    I installed the program from source after downloading it from sourceforge.net - it's
    version 2.7.2. I was using the tutorial

    http://agiletesting.blogspot.com/201...-opendkim.html

    (which is not for Zimbra, but it is for Ubuntu, which I'm using), up to the point that
    I was instructed to modify /etc/postfix/main.cf, and I discovered that
    there was no postfix directory under /etc/ ! So, I switched over to this tutorial:

    http://vavai.net/2010/12/domainkeysd...with-opendkim/

    which is not for Ubuntu, but it is for Zimbra. I had already generated the public and
    private keys before I started the second tutorial, using selector MAILOUT.

    See below for the contents of /etc/opendkim.conf:


    Canonicalization relaxed/simple
    Domain esdi.info
    InternalHosts 192.168.1.0/24, 127.0.0.1
    KeyFile /var/db/dkim/MAILOUT.key.pem
    Mode sv
    Selector MAILOUT
    Socket inet:8891@localhost
    Syslog Yes
    SyslogFacility mail
    UserID dkim
    X-Header yes
    Last edited by fairch; 11-23-2012 at 10:52 AM.

  4. #4
    fairch is offline New Member
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    Hello again,

    Still working on the DKIM problem. I tried running opendkim with the Argument -W to get more diagnostic info.

    See below for the relevant content of /var/log/mail.log:

    Nov 23 21:20:41 mail opendkim[7461]: OpenDKIM Filter v2.7.2 starting (args: -W -x /etc/opendkim.conf)
    Nov 23 21:20:41 mail opendkim[7461]: OpenDKIM Filter: Unable to bind to port inet:8891@localhost: Address already in use
    Nov 23 21:20:41 mail opendkim[7461]: OpenDKIM Filter: Unable to create listening socket on conn inet:8891@localhost
    Nov 23 21:20:41 mail opendkim[7461]: OpenDKIM Filter v2.7.2 terminating with status -1, errno = 98

    So, what might be causing this?

  5. #5
    Raunaq's Avatar
    Raunaq is offline Zimbra Employee
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    hello Fairch,


    Can you check whether any service is already running on port 8891 as from the logs i can see that some service must be running on port 8891 which openDKIM is trying to run.Can you post the output of netstat -ntplu | grep 8891

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