Unable to receive email from external domain ?

Senior IT System Engineer
Senior IT System Engineer used Ask the Experts™
on
Hi All,

I've got this strange issue where I cannot seems to troubleshoot, hence I need some of your help here.

Background: Exchange Server 2010 SP3 on single AD domain.

My head office AD domain is simply domain.com, while the Exchange Server has multiple different accepted email domain for example Company1.com, Company2.com and CompanyX.com

Testing 1:
When I send out email from itsystemengineer@domain.com to reception@Company1.com it was sent successfully from Outlook, OWA and ActiveSync but somehow it didn't reach or appears in the OWA/Outlook of the Reception mailbox at all.

Testing 2:
When reception@Company1.com sent from Outlook, OWA and ActiveSync to my email itsystemengineer@domain.com it appears in the OWA/Outlook mailbox.

Note: Nothing in the queues, exchange seems to deliver, it just doesn’t. Message tracking gave me an error.

Any kind of help would be greatly appreciated.

Thanks.
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Author

Commented:
It happens only in this mailbox, other company domain and mailbox are functioning normally.
....What was the error in message tracking?....

Author

Commented:
DLeaver, it says RECEIVE source STOREDRIV ?
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Author

Commented:
Another Test:

myself@gmail.com ---> reception@Company1.com [Not received]
reception@Company1.com ---> myself@gmail.com [Received successfully]
Having tested it from your Company Domain and your Gmail (assuming they are not the same) and neither delivers the email to reception@Company1.com....

Not sure what that error means.

Do you have any way of getting the Company1.com domain to interrogate their Exchange to see where the emails are going?...

Author

Commented:
Well this is under one exchange server that I manage.

The main AD domain is called Domain.com

So it baffled me now.
Oh I see, sorry - just re-read the question - my bad!

Have you run a delivery report?...(mailflow >> delivery reports)

Author

Commented:
Where about is that wizard for delivery report ?
Will SzymkowskiSenior Solution Architect
Most Valuable Expert 2015
Top Expert 2015
Commented:
Company1 domain is actually going to work as if it was internal to the exchange server because it is an accepted domain so it will not route out through the Internet. However sending from gmail and  also not working seems to me that it's something sort of rule on the mailbox that is either forwarding or moving the email to another folder in the inbox.

Check message tracking again and if it shows storedriv that means the transport role has picked up the message and has delivered it to the same mailbox in the same mail store.

Check the users rules as well as transport rules to see if anything is blocking or moving messages other than the inbox.

Will.

Author

Commented:
Ok there is no yes port rules for that email addres.

Author

Commented:
I mean transport rules.
Senior Solution Architect
Most Valuable Expert 2015
Top Expert 2015
Commented:
If message tracking is stating that the email is being delivered to the mailbox then there is something on the mailbox (i.e. like a rule) which is causing the email to be deleted, or moved. Check the rules on the mailbox and also do a search as well.

I would also recommened using MFCMAPI to see if there are any ghosting rules that may appear to have been removed but are still there.

https://mfcmapi.codeplex.com/

Will.

Author

Commented:
Thanks it was the email rule on user mailbox :-)

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