Sender address rejected: Domain not found

Yunan Helmy

• April 24, 2016 22:08

Hello, I have a problem with email delivery. My email is not sent. When I saw the logs : Sender address rejected: Domain not found I've read the following post : Why didn't my email get delivered? or where did my email go? Reading and Understanding the exim main_log Sender, sender host and failing Blacklisted SMTP IP addresses? and tried to turn off sender verification setting but it's not working. Here is my full log : [Removed - Please use example domain names and IP addresses] Appreciate your help. Thanks

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  Ameya Barwe

  • April 25, 2016 05:25

  Make sure domain name used in the recipient address is registered and active, check here : who.is If its active then paste here logs or bounce back message.

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  cPanelMichael

  • April 25, 2016 18:27

  Hello :) You can use a website such as IntoDNS to verify the domain name uses MX records that resolve to the cPanel server. Also, are you able to reproduce the issue when sending from the cPanel server to remote mail servers such as Google/Yahoo, and vice-versa? Thank you.

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  Yunan Helmy

  • April 26, 2016 01:29

  Hi All, Thank you for your reply. After checking hostname of my server, it looks like that hostname revert back to default hostname from AWS so I can't send email. When I change the hostname, I can send email again. Thank you for your help.

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  cPanelMichael

  • April 26, 2016 02:36

  I'm happy to see you were able to determine the cause of the problem. Thank you for updating us with the outcome.

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