Are you asking how to resolve all the recipients of an email in code? Use
Recipients.ResolveAll. Then test each Recipient in the Recipients collection
for Recipient.Resolved to verify that each resolved correctly.

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Ken Slovak
[MVP - Outlook]
http://www.slovaktech.com
Author: Absolute Beginner's Guide to Microsoft Office Outlook 2003
Reminder Manager, Extended Reminders, Attachment Options
http://www.slovaktech.com/products.htm
> How can I write an add-ins by using VBS/VBA to complete a name check, when
> reply an email?