I assume that such a thing is possible as a novice programmer I don't know quite where to start. To search the .pab file with a procedure built into CDONTS.dll would be what I am looking for I think?
I guess there is no real way to reach from the server into the folder on the hard drive of the user and use that .pab file is there? We are on an intranet so how about loading a copy of the company .pab file from the server?
So you're wanting to validate that the email address is for an employee of your company? Sounds like a perfect job for ADSI or LDAP - this article is probably exactly what you're looking for: http://www.asptoday.com/articles/20000329.htm "Email Address Lookup with LDAP and ADSI".<BR><BR>Cheers<BR><BR>Dunc<BR>