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Exchange 2016: no internal or outbound email

Posted on 2016-09-11
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Last Modified: 2016-09-23
experts,


I have an issue that I need assistance with please.  Have installed a new Exchange 2016 server in an environment (was not a migration - just a new server in the environment, users had pop mail accounts prior).   Server is up and running and seems fine, no errors in the logs

Ive created new profiles for the users (there are only 8).  They are connecting to the Exchange server with Outlook just fine.  I am importing their old PST files into their new exchange profiles.   Thats all fine.

Inbound email is also working fine.

The issue is as I am testing - email between internal users is not going.   i can send and it leaves the outbox (a copy of the test email is in the sent items) but the other internal users do not receive it.  This happens with all of them.  When I send out a test message to the internet, same thing happens.  it goes to the outbox and then goes, it's not stuck that I can see,

I check the Exchange queue and I am not seeing any messages in the queue.   Ive run tests to make sure the Exchange server can resolve external DNS and it can.

I've deleted and recreated the Send connector and everything appears to look fine with it, nothing special about it.  

I thought that it may be the outlook cache, so instead of using the auto-complete email addresses in outlook i made sure to re-type the entire email address and then send.    Still nothing.

i've stopped and restarted all the Exchange services multiple times

If any Exchange experts can help provide some insight and more tests to try please let me know.

thank you very much
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Question by:mkavinsky
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7 Comments
 
LVL 20

Expert Comment

by:Peter Hutchison
ID: 41793318
A few questions:
1. Have you created all the relevant DNS records esp MX that can be viewed internally AND externally to the company?
2. Are the domains setup in Exchange as Authoritative Domains for your email environment?
2. How many servers how you installed? What roles have you installed? You need at least Client Access, Hub Transport and Mailbox roles?
3. Are all the Microsoft Exchange services running?
4. What version of browser and Outlook are you using?
0
 

Author Comment

by:mkavinsky
ID: 41793351
peter,

thank you for your reply.

Yes, I have created all the relevant DNS records and MX record

The default domain is setup as the the authoritative domain (it;s the only one)

Only 1 Exchange server (8 users) so all the roles are on that server

All the default Exchange services are running.  I've compared them to other clients Exchange servers that I manage and have installed

As for outlook, the clients are using outlook 2010, 2013 and 2016.  As for browser - internet explorer and Chrome.  All Windows 7 clients.     OWA seems to work just fine - meaning it can be logged into and user authorized internally and externally.
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LVL 12

Expert Comment

by:Vaseem Mohammed
ID: 41793487
Did you try using OWA for sending email?
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LVL 8

Expert Comment

by:lvjeff
ID: 41793510
Guess you need to verify it is an Exchange problem and not an Outlook issue. So, to verify, if a user logs in with OWA and sends a message to another internal user, and that user logs in with OWA, they do not get the message? If so, did you try search for a delivery report? (Mail Flow | Delivery Reports in the EAC)
MX records and Send connectors have nothing at all to do with mail between recipients on the same server.
Things to look for:
Is the SMTP address of the user correct?
did you chjnge settings on any Receive Connectors?
Are your Autodiscover DNS records correct?
0
 

Accepted Solution

by:
mkavinsky earned 0 total points
ID: 41794240
i found out the issue, everything was set fine.  For those that ever run into this, here is what i had to do.

on my exchange server I had to disable any unused network adapters (I dont know why).  Then on the utilized network adapter for the DNS settings I had the first IP pointing to the internal DNS server.  I had the secondary pointing to an external DNS server  - - once I removed that external IP address (8.8.8.8) and then flushed the DNS and restarted the Exchange Transport service everything began to flow just fine (internally and externally)

I hope this can help someone else in the future.

Thank you very much to those that volunteered their suggestions.  Greatly appreciated
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LVL 5

Expert Comment

by:bobluis
ID: 41799381
Thanks for posting the solution. It may help other admin facing the same issue with Ex2016.
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Author Closing Comment

by:mkavinsky
ID: 41812168
was able to found out my own solution that worked
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