Share via

Question about MS hosting additional mail server

IBN 4,511 Reputation points
2022-05-20T08:15:46.683+00:00

Hello Teams Community,

Please i need your help on this.

We have on the prem mail server. Is it possible that MS is hosting additional mail server?

I am worried that double mail servers can cause some problem with message traffic.

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management

The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.

Answer accepted by question author

Aaron Xue-MSFT 2,601 Reputation points Moderator
2022-05-23T07:59:22.11+00:00

Hi @IBN ,

If you only deploy one prem mail server, then only that server will have the message traffic.
Basic on my knowledge, MS wouldn't host another mail server.

The following diagram shows the relationships among the components in the Exchange transport pipeline.
204540-transport-pipelineoverview.png

You could also follow below link to get more details about mail flow.
https://learn.microsoft.com/en-us/exchange/mail-flow/mail-flow?view=exchserver-2019

If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

Was this answer helpful?

1 additional answer

Sort by: Most helpful
Most helpful Newest Oldest
  1. Michel de Rooij 1,626 Reputation points MVP
    2022-05-20T08:27:45.147+00:00

    What problem are you trying to solve? Why not create an array of 2 on-prem servers if continuity is a worry, or migrate to Exchange Online if you don't want to worry
    about that any further (provided dependencies, integrations etc). In theory, if you must, you can host a virtualized Exchange server in Azure which might not be cost-efficient due to requirements for virtualized Exchange servers hosting mailboxes in Azure.

    Was this answer helpful?

    0 comments

Your answer

Answers can be marked as 'Accepted' by the question author and 'Recommended' by moderators, which helps users know the answer solved the author's problem.