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some emails arrived late

Posted By:      Posted Date: April 10, 2011    Points: 0   Category :C#

Currently Im deploying Workflows with Email Notifications and Collect data Actions ( Action that sends out email) to company's Production server. Specs are. Windows Server 2003, MOSS2007, connected to Exchange Server 2007, connected to SQL Server, Some of the Emails arrives on time but some emails (collect data actions emails) arrived after two days. what could be the possible cause of this delays??  


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