I have IIS5.0 in my localhost and Window XP. I checked Control Panel and made sure that SMTP Service is on. <BR>Still I am getting following error message. Line-19 has :<BR> Set sendmail = Server.CreateObject("CDONTS.NewMail")<BR><BR>Error Message::::::::<BR>Server object error &#039;ASP 0177 : 800401f3&#039; <BR>Server.CreateObject Failed <BR>/asp/portalissue/IssueUpdate_Do.asp, line 19 <BR>Invalid class string <BR><BR>What am I doing wrong? Any help would be appreciated.<BR>