User cannot send internal messages.
Problem reported by John J - 7/25/2019 at 6:52 PM
I have a user account that can only send messages to external addresses, but can receive from any address.  There is no error message, and 
i can see the messages reach the server.  Can someone give me some suggestions on where to investigate this problem?  Thanks.

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Linda Pagillo Replied
Marked As Resolution
Hi John. Can you please post an SMTP log and a delivery log entry from one of the messages that you can see reach the server?
Linda Pagillo
Mail's Best Friend
Email: linda.pagillo@mailsbestfriend.com
Web: www.mailsbestfriend.com
Authorized SmarterTools Reseller
Authorized Message Sniffer Reseller
Jade D Replied
The smtp logs will contain the error if there is one, as Linda suggested.
If the mail is passing smtp auth and then being passed to the spool then the delivery log will contain information about why the mail is or isnt being delivered.
John J Replied
Thank you for the responses Linda and Jade.  I narrowed it down to the user's signature, but following your suggestions, I checked the delivery log and it told me exactly why.  The messages were being deleted because of a content filter rule.  Some of the keyword entries matched strings of letters in the users signature.  Weirdly, the whole keywords were not present in the signature, just a few of the letters.  Anyways the problem is resolved.  Thanks again.

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