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Tips to solve email problem(s)
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Posted: 02 Jun, 2007
by: Support T.
* * * * *
Updated: 22 Jun, 2008
by: Support T.

For end-users:

  • Check with your registrar and make sure that the domain name hasn't expired.
  • Make sure that your email inbox and/or domain didn't exceed its quota.
  • Use your full email address as username (i.e., username@domain.com).
  • Switch to a different port such as: 26 or 1000 for SMTP Outgoing Server .
  • Login to your control panel and remove any mail filter you have.

If you can't send and/or receive using MS Outlook/Outlook Express do the following:

  1. Make sure that "My Server Requires Authentication" is checked in your Outlook/Outlook Express.
  2. Make sure your Anti-Virus and/or Windows firewall are not blocking you from sending/receiving email
  3. Go to your DOS prompt and issue the following command: ipconfig /flushdns
  4. Run Windows Disk Defragmenter and wait until it is completed.
  5. Power off, wait for a few seconds, and then power on your PC.
  6. Turn off any firewall you might have on your own PC, including Norton and McAfee.

For System Administrators:

  • SSH to your server and check Exim main log file for errors that might help in solving the problem:
    For the cPanel/WHM
    tail -f /var/log/exim_mainlog
    For DirectAdmin
    tail -f /var/log/exim/mainlog
     
  • Go to either www.dnsreport.com or www.intodns.com and get a DNS report about the domain with the problem. Look carefully for any errors in the report and correct them.
  • Make sure your server resolves, and the entries in these two files are correct: /stc/resolv.conf and /etc/hosts
  • Make sure the domain name in question is not due for the annual domain name registration
  • Ask your host to set rDNS PTR Records on your main IP address
  • Make sure client's DNS zone and nameservers are correct
  • Make sure that the email filter and/or SpamAssassin are configured and working properly
  • Remove any mail filter created by the client.
  • Verify that the email and/or the domain exist where they should exist
      For a cPanel/WHM powered server
      /etc/localdomains
  • Make sure /etc/exim.pl exists

For the cPanel/WHM v11.x
Login to the WHM >> Main >> Service Configuration >> Exim Configuration Editor
Scroll down the page and click on the button "Reset All Configs to Default" then SSH to the server and run these commands at the prompt:

    /scripts/buildeximconf
    /scripts/mailperm
    /scripts/eximup --force
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