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Exchange 2007 users not receiving from other Exchange servers

Posted on 2014-10-06
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Last Modified: 2015-03-31
I have 4 exchange 2007 servers, 2 CAS/HT and 2 Mailbox servers.
Users in mailbox 1 can send/receive to each other.
Users in Mailbox 1 can send to users to Mailbox 2
Users in Mailbox 1 cannot receive emails from users in Mailbox 2
Any help is greatly appreciated.
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Question by:nourben
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Miguel Angel Perez Muñoz earned 500 total points
ID: 40363543
Could you check smtp services and Exchange related services are running on mailbox2?

Since Exchange 2007, you not required any connector between Exchange and sites, simply mail flows without any configuration.
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by:nourben
ID: 40363622
All services are running, forgot to mention that mailbox1 and mailbox 2 are on different sites.

Mailbox 2 is fine, we have other Mailbox 3 and Mailbox 4 that are exchange 2013 and flow between them is fine.

Mailbox 1 can send to all Mailboxes (Exchange 2007 or Exchane 2013) but can receive emails only from Mailbox 1
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LVL 19

Expert Comment

by:Miguel Angel Perez Muñoz
ID: 40363634
Could you discard firewall problems between sites? Filtering needed port, per example 587 or 25
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Author Comment

by:nourben
ID: 40363639
Actually This is a test environemnt and I am testing Exchange 2007 and 2013 coexistense, there is no firewall between them
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