WHM/cPanel Not Sending Emails (Main Domain Uses Office 365)

gwen_the_hen

• July 25, 2017 04:48

Hello, I've got a server running cPanel and WHM, but for some reason no system emails ever get delivered. The client is using Office 365 for their emails. The main website domain is using the standard www.mydomain.com and the server is using server.mydomain.com. WHM is currently set to use an external mail server. Can you advise any settings in either Office 365 or WHM that I need to configure in order to get this to work?

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  Jcats

  • July 25, 2017 10:52

  WHM is currently set to use an external mail server.

  
  What do you mean by this? Are you using smarthost?

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  gwen_the_hen

  • July 25, 2017 11:04

  Hi, It's the settings for email routing (see attached). I'm not sure what smarthost is though, sorry!

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  Jcats

  • July 25, 2017 11:39

  No worries, that answers that then :) and when you say "but for some reason no system emails ever get delivered." are you referring to system emails from cPanel itself or from some kind of CMS? If you are referring to the ones from cPanel, make sure the email is set properly in WHM > Server Configuration > Basic WebHost Manager Setup and then check the mail log via SSH:
  grep user@domain.com /var/log/exim_mainlog
  

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  cPanelMichael

  • July 25, 2017 15:56

  Hello, Could you confirm which type of emails you are referring to? If this is for root notifications, check to ensure you have setup the correct forwarded address in "WHM Home " Server Contacts " Edit System Mail Preferences". Thank you.

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  gwen_the_hen

  • July 26, 2017 14:30

  T

  No worries, that answers that then :) and when you say "but for some reason no system emails ever get delivered." are you referring to system emails from cPanel itself or from some kind of CMS? If you are referring to the ones from cPanel, make sure the email is set properly in WHM > Server Configuration > Basic WebHost Manager Setup and then check the mail log via SSH:
  grep user@domain.com /var/log/exim_mainlog
  

  
  That's a great help, thanks! I found this error: 'Access denied, banned sending IP' I have requested that Microsoft delist the IP address, so hopefully that will fix the problem. Thanks again!

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  Jcats

  • July 26, 2017 16:31

  That should do the trick! :)

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