What is the Best Practice or Procedure of Changing Mail Domain on FortiMail?

Hello,

I am wondering:

1. Is there a Document or Procedure to change the existing Mail Domain Name to a new one ?

2. OR a Best Practice guid to do such migration from existing Domain Name to a new Domain Name ?

3. Are there known issues or concerns we should consider ?

Thanks N advance

Staff

You can have multiple domains on a single FortiMail unit. You do not need to change on the fly. You can have both co-existing:

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