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View who connects using hostname

Discussion in 'E-mail Discussion' started by codepoet, Apr 25, 2018.

  1. codepoet

    codepoet Member

    Jun 28, 2017
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    Hello, I am currently in the process of migrating my server to a more powerful one.

    The hostname will change to something more professional to what I had 10 years ago :).

    Now I have searched around, and couldn't find anything about this :

    How can I scan the mail or exim logs to view what email is connecting (imap, smtp) using the hostname instead of the per example ?

    The reason for this, before Auto SSL some clients didn't have a dedicated IP + SSL so they connected using the hostname of the server that had ssl. Now that I am moving servers, I would like to see what email accounts is using the hostname and notify them

    I will eventually push the old hostname to the new server by changing the A record but I wouldn't want any downtime for my clients.

    Thank you in advance
  2. cPanelMichael

    cPanelMichael Technical Support Community Manager Staff Member

    Apr 11, 2011
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    Hello @codepoet,

    The log file for mail server login activity is located at:

    However, I don't believe you will be able to easily determine the specific mail server name the end-user is using in their email client, as the DNS lookup happens on their local computers. A better approach might be to send a notification to your clients ahead of time to alert them of the change.

    Thank you.
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