>Use the ReplyRecipients Collection of the mail item object.
>
>Here is a sample:
>
>

>#Define olMailItem	0
>oOutlook = createobject("outlook.application")
>oNameSpace = oOutlook.GetNameSpace("MAPI")
>oMailItem = oOutLook.CreateItem(olMailItem)
>With oMailItem
>   .Subject = "My Message"
>   .To = "xyz@foo.com"
>   .ReplyRecipients.add('foo@abc.com') && specify the reply address here
>   .Send
>EndWith
>

Thanks for the reply but it didn't work. I think the problem might be with exchange server. I don't think exchange server will let you change the reply address. Since all the messages go through exchange I think it has ultimate control not outlook.