All hosts for domain have been failing for a long time

Alex H

• August 28, 2018 03:32

Hi I am getting the above error message when I try and send emails to a specific email address. I have tried "WHM Home " Networking Setup " Resolver Configuration" and this appears to be OK The domain name in-question resolves when using the "host" command from our server's command line? However when i Telnet IPaddress 25 then the connection is timing out. Not suite sure what to try next - any help much appreciated Alex

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  rpvw

  • August 28, 2018 08:57

  If you are unable to connect to the address, it is possible that the remote server is blocking your connections on port 25. Things you might like to try:

  • Check to see if your firewall or other protection system you might be running on your server is not blocking outgoing calls to the destination domain/IP
  • Try sending a mail to that address from an external Hotmail or gmail account to see if the destination server/mailbox is actually receiving mails.
  • Use a service like MX Lookup Tool - Check your DNS MX Records online - MxToolbox to make sure your server/account is configured OK (possibly wouldn't hurt to check the destination server as well)
  • Last resort: stop exim -> remove all files in "/var/spool/exim/db" (I rather like to move them somewhere rather than delete them directly) -> restart exim
  • If all else fails, you may need to contact the administrator of the destination server and establish if, and possibly why, they are blocking you.

  Hope something helps.

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  cPanelLauren

  • August 28, 2018 19:37

  Hi @Alex H The suggestions by @rpvw are spot on, please let us know what you find! Thanks!

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