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Comodo Antispam Gateway

Comodo Antispam Gateway

Admin Guide ver 2.12

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Get Started > Outgoing Filter Configuration > Outgoing Smarthost Setup > Configure Office 365 To Use A Smarthost
  • Introduction To Comodo Antispam Gateway
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        • Configure Sendmail To Use A Smarthost
        • Configure Exchange 2000/2003 To Use A Smarthost
        • Configure Exchange 2007/2010 To Use A Smarthost
        • Configure Exchange 2013/2016 To Use A Smarthost
        • Configure Office 365 To Use A Smarthost
        • Configure Exim To Use A Smarthost
          • Configure Exim / CPanel To Use A Smarthost
          • Configure Exim / Directadmin To Use A Smarthost
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  • Appendix 1 - CASG Error Codes
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Configure Office 365 to use a Smarthost


    • Note – Make sure you have activated Office 365 in CASG. Go to 'Outgoing' > 'Office 365 Activation' then complete the activation procedure. Click here for more information.

      Set up outbound mail in Office 365:

      • Login to your Microsoft Office 365 administrator center account
      • Click 'Admin' from the left-menu
      • Click 'Exchange':



      • Click 'mail flow' on the left
      • Click 'connectors' in the top navigation:




      • Add an 'Outbound Connector':
      • Select 'Office 365' in the 'From' drop-down menu
      • Select 'Partner Organization' in the 'To' drop-down menu:




      • Click 'Next'
      • Enter a descriptive name for the outbound connector in the 'Name' field
      • Click 'Next'




      • 'When do you want to use this connector?' - Select 'Only when I have a transport rule set up that redirects messages to this connector'
      • Click 'Next'




      • 'How do you want to route email messages'
      • Select 'Route email through these smart hosts'
      • Click + sign to add smart host as port25.domeasmsp.cdome.net in the opening page and click Save.
      • Page will be updated as below.
      • Click ‘Next’.



      • 'How should Office 365 connect to your partner organization's email server?' - Select:
      • 'Always use Transport Layer Security (TLS) to secure the connection'
      AND
      • 'Issued by a trusted certificate authority'.
      • This will make sure the connection to the mail server is securely encrypted and authentic.
      • Click 'Next'



      • Review your settings. Check all information in the confirmation screen is as it should be, then click 'Next':




      • 'Validate this connector' - Add an email address at which you can receive mail in the field provided, then click 'Validate'.




      • If you receive the validation email to the specified email address, then the STATUS will change to “Succeeded”. This means that Office 365 connector can connect to your smart host.
      • Click 'Save' to complete connector configuration.



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