Is my domain's login address the same as exchange mail?

%3CLINGO-SUB%20id%3D%22lingo-sub-1242955%22%20slang%3D%22en-US%22%3EIs%20my%20domain's%20login%20address%20the%20same%20as%20exchange%20mail%3F%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-1242955%22%20slang%3D%22en-US%22%3E%3CP%3EI%20imported%20100%20users%20from%20Windows%20Server%202019%20using%20Azure%20AD%20connect.%20Each%20user%20logs%20in%202%20letters%20of%20the%20name%20and%20two%20letters%20of%20the%20name%20for%20example.%3CBR%20%2F%3EJohn%20Brawo%20has%20the%20login%20brjo%40mydomain.com%3C%2FP%3E%3CP%3EEach%20user%20should%20have%20an%20email%20starting%20with%20the%20first%20letter%20of%20the%20first%20name%2C%20dot%2C%20and%20full%20name%20for%20example%3CBR%20%2F%3EJohn%20Brawo%20has%20the%20email%20j.brawo%40mydomain.com%3C%2FP%3E%3CP%3EHow%20do%20I%20configure%20exchange%20mail%3F%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-LABS%20id%3D%22lingo-labs-1242955%22%20slang%3D%22en-US%22%3E%3CLINGO-LABEL%3EAdmin%3C%2FLINGO-LABEL%3E%3C%2FLINGO-LABS%3E%3CLINGO-SUB%20id%3D%22lingo-sub-1243430%22%20slang%3D%22en-US%22%3ERe%3A%20Is%20my%20domain's%20login%20address%20the%20same%20as%20exchange%20mail%3F%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-1243430%22%20slang%3D%22en-US%22%3E%3CP%3Eyou%20can%20change%20UPN%20in%20you%20AD%20and%20sync%20the%20changes%20and%20then%20assign%20licenses%2C%20you%20should%20then%20have%20same%20UPN%20and%20email%20address.%3C%2FP%3E%3C%2FLINGO-BODY%3E
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Occasional Contributor

I imported 100 users from Windows Server 2019 using Azure AD connect. Each user logs in 2 letters of the name and two letters of the name for example.
John Brawo has the login brjo@mydomain.com

Each user should have an email starting with the first letter of the first name, dot, and full name for example
John Brawo has the email j.brawo@mydomain.com

How do I configure exchange mail?

2 Replies
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you can change UPN in you AD and sync the changes and then assign licenses, you should then have same UPN and email address.

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And what to do with the identifier? The user logs on to the computer
brjo@mydomain.com
the same user has an email address
j.brawo@mydomain.com

Now I'm transferring all email addresses to Office365. Using Azure AD connect in office 365, I have other employee email addresses
brjo@mydomain.com
Can I import users with a login
brjomydomain.com so that they have the address j.brawo@mydomain.com?