<div>
When did this begin occurring? What troubleshooting steps have you taken already?
</div>


<div>
Can you drag and drop into sent folder. See if that works.
</div>


<div>
Can you see the emails in the mail queue? Last time I has this, there were two connectors set up with the same port. Exchange did not like this!
</div>


<div>
when i remove gateway ip i can send mail myself and other exchange users in same domain . but when i put the gateway ip mail stuck in draft folderl even my self
</div>


<div>
Domain controller and Exchange Server 2016 CU4 installed &nbsp;as &nbsp;Virtual Machine in Windows Server 2012 R2 Hyper-V and this is fresh installation.
</div>


<div>
What network configuration was incorrect. I'm having the same issue and can't seem to find the answer.
</div>


<div>
<div class="content wysiwyg-content">
Outbound mail stuck in drafts Exchange 2016
</div>
</div>


Outbound mail stuck in drafts Exchange 2016

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.