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ejscn
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Send mail but not receive on Exchange 2013

Hello,

We are about ready to start co-existence and migration from Exchange Server 2007 (Update Rollup 12) to Exchange Server 2013 SP1.  I have set up a test mailbox on the new server.  I am able to send email both internally and externally from that account, but I cannot receive mail in that account.  I have been following closely the steps outlined on the Exchange Server Deployment Assistant as well as here - http://www.msexchange.org/articles-tutorials/exchange-server-2013/migration-deployment/planning-and-migrating-small-organization-exchange-2007-2013-part11.html.  The only special things to be aware of are:

- our 2007 server does not use SSL at all.  We have added the name of this server, plus a legacy namespace to the SSL cert for the 2013 server.  The cert has been exported from the 2013 server and added as an exchange certificate, but not yet enabled.
- we have not yet enabled Outlook Anywhere on the 2007 server.
- we using a new service name (mail) for the new server and discontinuing the name used on the old server, so that is not an issue to transfer
- We are using ORF as our spam filter.  It is not going to be installed on the 2013 server until tomorrow.

We are hoping to complete all of the service-disrupting changes in the early morning hours in just a few days, following the steps outlined by Simon here: https://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/Q_28350139.html
We are well aware that this is going to cause an issue with our Android and Windows Phone users, and they all understand upfront that their email will be disrupted on their phones until we can re-configure their devices (our MDM solution will allow us to edit iPhone ActiveSync settings, but not Android/WP).

Sorry for the long question, and I probably didn't give all the relevant information.  I appreciate any help that you can give, or even to point me in the direction of how to troubleshoot this issue.

Thanks!
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Gareth Gudger

8/22/2022 - Mon
Gareth Gudger

Have you modified your Default Receive Connector to accept Anonymous connections?
Md. Mojahid

See the articles will help  your create or modifies your default receive connector and anonymous.

http://exchangeserverpro.com/exchange-2013-configure-smtp-relay-connector/
ejscn

ASKER
So, I have followed the instructions from Mojahid's link and have verified that the Default Receive connector (both FrontEnd and Hub Transport) allows anonymous connections, but I still cannot receive mail in the test mailbox.  Though I did not perform the shell command Get-ReceiveConnector "Relay E15MB1" | Add-ADPermission -User 'NT AUTHORITY\Anonymous Logon' -ExtendedRights MS-Exch-SMTP-Accept-Any-Recipient on the Default Receive connectors.  Do you have any other ideas?  Thank you again for your help.
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rwheeler23
Gareth Gudger

Can the user send messages to themselves?

Create a second user on the new server. Can the two new users send mail to each other?
ejscn

ASKER
Yes.  Users can send to themselves and between accounts both located on the Exchange 2013 server.

If it helps at all, I looked on the Exchange 2007 server. Attached is the error that is coming up when I try to send from either externally or a 2007 mailbox to a mailbox on the 2013 server.DNS Error from Exchange 2007 server
Gareth Gudger

See if this article applies to you. Is Exchange 2007 on the latest service pack and cumulative update?
http://support.microsoft.com/kb/976108/en-us
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ejscn

ASKER
I don't believe this article applies to our situation.  We do not use an edge transport server, and we are on SP3, Update Rollup 12.
Gareth Gudger

Is there a smart host configured on the 2007 Send Connector?
ejscn

ASKER
No.  This is a dumb question, but I'm wondering from the screenshot if I need to manually create an MX record for my 2013 server?  As I'm looking in DNS, we do not have any MX records internally.

No smart hosts.nslookup.png
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Gareth Gudger

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ejscn

ASKER
Gareth.  Thank you so much for your persistence in helping me with this issue.  While the blog entry itself didn't solve my problem, the first comment on the post did.  We had Google public DNS set as the secondary DNS server on the NIC.  As soon as I removed that secondary DNS entry, mail flowed.  I have also noticed a significant speed increase with ActiveSync - not sure if that is real or placebo yet.
Gareth Gudger

Awesome! Glad it is resolved!