try using:
'Attachment Entries
set WA_MailObject = WAUE_AddAttachment(WA_MailObject, Server.MapPath("../public/upload/" & cStr(WA_DFP_UploadStatus.Item("WA_UploadResult1").serverFileName) & ""))
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.