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Exchange 2003 SMTP issue

Last Modified: 2013-11-30

I recently created a domain trust between 2 domains.  We are having an issue on the newly trusted domain's exchange 2003 smtp server (companyb).  We are using a send-connector to an outside SMTP service for the newly trusted domain (companyb).  My issue is when we try to send email from the newly trusted domain to the main domain, the mail sits in the queue and usually just times out. From company B to company A.  Company A to company is very quick and working properly.

These 2 domains are located on the same LAN, and less the 1ms latency.  Am I missing something for the relay between the 2?  Any suggestions would be greatly appreciated.

All other outgoing mail to domains other than our internal domain are working properly and in a timely manner.

The domain names are companya.com and companyb.com (however company b's email domain is different than the active directory domain, it is companybworldwide.com)

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