We are facing mail routingn issue.

Md. Mahfuzur Rahman 346 Reputation points

We have deployed two Exchange servers (Exchange 2016 and Exchange 2019) with different Forest. I am sharing my environment in detail-

  1. Deployed Exchange server 2019 ( forest name labd.com)
  2. Deployed Exchange server 2016 (lankabd.com)
  3. Add accepted domain for exchange both ( same for both - lankabd.com)
  4. Add a secondary SMTP address for both according to the local domain
  5. Add contact in Exchange server 2019 (according to 2016 local domain - lankbd.com)
  6. Add contact in Exchange server 2016 (according to 2016 local domain - labd.com)
  7. Add forwarding according to contact for both sides.
  8. Created send connector both Both

Now we are facing a mail routing issue. forwarding is okay but we got mail bounce also.

I am sharing the screenshots-


I want to know forwarding will work for both sides or will create any mail loop.
we are facing mail loop

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
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Accepted answer
  1. Andy David - MVP 143.6K Reputation points MVP

    Yea you can't have each exch org contact froward to each other. Why the need to do that?

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  1. Md. Mahfuzur Rahman 346 Reputation points

    We got solution

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