Exchange 2016 Emails Stuck In Queue on Edge Trasport

Copper Contributor

Hello Everyone,


I just install a fresh copy of Microsoft Exchange 2016 cu14 (on premises) which is the latest from Microsoft.


I have configured DNS

I have applied product key to both Mailbox Server and Edge Transport Server.

I have bought and applied UCC SSL certificate to Mailbox server.

I have opened all ports as listed on Microsoft website for Exchange Server communication.


I can send emails with/without attachment to the internet. 


The problem is messages from the internet get stuck in the queue on the Edge Transport Server.


Could anybody help me with any other configuration I need to do?


Thank You All.

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