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Thread: [SOLVED] Unable to receive incoming email

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  1. #1
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    Default [SOLVED] Unable to receive incoming email

    Hi,

    I've been scratching my head over this one for the last few hours, so I hope someone can help.

    I've got Zimbra running alongside Plesk on the same server. It's been working fine for several months but this morning stopped accepting incoming mail. I have Plesk set up to listen on port 25 and 2525, with Zimbra's MTA on 25. This config has never been a problem.

    I've tried disabling Qmail in Plesk so that only Zimbra is listening on 25 but that's not helped. Telnet'ing to 25 on localhost comes back with:

    Code:
    [root@precision1 xinetd.d]# telnet localhost 25
    Trying 127.0.0.1...
    Connected to localhost.localdomain (127.0.0.1).
    Escape character is '^]'.
    220 precision1.precisionstitching.co.uk ESMTP Postfix

    The only big thing that's changed is that I updated the rDNS on two IP addresses last night. All standard DNS records are unchanged. Would that stop it from working?

    I hope I've provided enough info but please let me know if I've missed anything!


    Thanks,

    Stephen

  2. #2
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    Default

    Well checking your MX record for that domain gives a different server all together, and when telneting to it I get a connection failure.

    Personally I would change your MX setup for your .com and .co.uk ... Decide which was is going to be the primary MX and have the other point to it. So,

    precisionstitching.co.uk -> mail.precisionstitching.co.uk
    precisionstitching.com -> mail.precisionstitching.co.uk

    This will mean your rDNS returns the correct information which it is not doing at the moment
    Last edited by uxbod; 03-03-2009 at 08:30 AM.

  3. #3
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    Excellent, thanks for that! I've made the changes... now to wait! *fingers crossed*

  4. #4
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    Your rDNS was pointing to just the domain name and not the FQDN of your mailserver so how that is sorted aswell

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