Edge server with port 587 usage

Priya Jayaraman 466 Reputation points
2026-08-14T10:22:43.6566667+00:00

Hello,

Can we use Edge server as SMTP relay solution with port 587 and with username and password authentication?

No exchange server in the environment. Edge server will be built in a workgroup environment.

cheers

Priya

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other

A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.

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  1. Heimerdinger 295 Reputation points Independent Advisor
    2026-08-14T13:42:33.5366667+00:00

    Hi @Priya Jayaraman,  

    From what I have checked so far, it looks like this might be possible in certain configurations. However, this is a more advanced Edge Transport/mail-flow setup, especially since there is no Exchange server in the environment and the Edge server will be built in a workgroup. 

     You could refer to this article : Install Exchange Edge Transport servers using the Setup wizard | Microsoft Learn 

    Please also note that Edge Transport does not host mailboxes, and without an Exchange organization or Active Directory, user-based SMTP authentication is not managed in the same way as a normal Exchange environment. 

    Since this setup goes beyond my current knowledge, I would recommend posting the question in the Microsoft Tech Community Exchange forum for more accurate guidance from Exchange Server experts. 

    Thank you for your patience and understanding. I look forward to your update. 


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