<% '******************************************************* '* ASP 101 Sample Code - http://www.asp101.com * '* * '* This code is made available as a service to our * '* visitors and is provided strictly for the * '* purpose of illustration. * '* * '* Please direct all inquiries to webmaster@asp101.com * '******************************************************* %> <% Dim objCDONTS ' Email object Dim strFromName ' From persons' real name Dim strFromEmail, strToEmail ' Email addresses Dim strSubject, strBody ' Message Dim strThisPage ' This page's URL Dim strReferringPage ' The referring page's URL Dim bValidInput ' A boolean indicating valid parameters ' Retrieve this page name and referring page name strThisPage = Request.ServerVariables("SCRIPT_NAME") strReferringPage = Request.ServerVariables("HTTP_REFERER") ' Debugging lines: 'Response.Write strThisPage & "
" & vbCrLf 'Response.Write strReferringPage & "
" & vbCrLf ' Read in and set the initial values of our message parameters strFromName = Trim(Request.Form("txtFromName")) strFromEmail = Trim(Request.Form("txtFromEmail")) strToEmail = Trim(Request.Form("txtToEmail")) strSubject = "Check out the Dennis Graham website!" strBody = Trim(Request.Form("txtMessage")) ' I set the body message to a message that referenced the page the ' user arrived from. This makes it great if you place a link to it ' from your different articles, but can be weird if people link in ' from other web sites. If strBody = "" Then If strReferringPage = "" Or InStr(1, strReferringPage, "www.dennisgraham.com", 1) = 0 Then strBody = "" strBody = strBody & "I found an interesting website about an Architectural & Project Management practice I thought you might like to see :" & vbCrLf strBody = strBody & "http://www.dennisgraham.com/default.htm" & vbCrLf Else strBody = "" strBody = strBody & "I found an interesting website about an Architectural & Project Management practice I thought you might like to see :" & vbCrLf strBody = strBody & " " & "http://www.dennisgraham.com/default.htm" & vbCrLf End If End If ' Quick validation just to make sure our parameters are somewhat valid bValidInput = True bValidInput = bValidInput And strFromName <> "" bValidInput = bValidInput And IsValidEmail(strFromEmail) bValidInput = bValidInput And IsValidEmail(strToEmail) ' If valid send email and show thanks, o/w show form If bValidInput Then ' Set up our email object and send the message Set objCDONTS = Server.CreateObject("CDONTS.NewMail") objCDONTS.From = strFromName & " <" & strFromEmail & ">" objCDONTS.To = strToEmail objCDONTS.Subject = strSubject objCDONTS.Body = strBody objCDONTS.Send Set objCDONTS = Nothing ' Show our thank you message ShowThanksMsg Else If "http://" & Request.ServerVariables("HTTP_HOST") & strThisPage = strReferringPage Then Response.Write "There's been an error. Please check your entries:" & "
" & vbCrLf End If ' Show our information retrieval form ShowReferralForm strThisPage, strFromName, strFromEmail, strToEmail, strBody End If ' End of page logic... subs and functions follow! %> <% ' Subroutines and Functions that encapsulate some functionality ' and make the above code easier to write... and read. ' A quick email syntax checker. It's not perfect, ' but it's quick and easy and will catch most of ' the bad addresses than people type in. Function IsValidEmail(strEmail) Dim bIsValid bIsValid = True If Len(strEmail) < 5 Then bIsValid = False Else If Instr(1, strEmail, " ") <> 0 Then bIsValid = False Else If InStr(1, strEmail, "@", 1) < 2 Then bIsValid = False Else If InStrRev(strEmail, ".") < InStr(1, strEmail, "@", 1) + 2 Then bIsValid = False End If End If End If End If IsValidEmail = bIsValid End Function ' I made this a function just to get it out of the ' logic and make it easier to read. It just shows the ' form that asks for the input Sub ShowReferralForm(strPageName, strFromName, strFromEmail, strToEmail, strBody) ' I use script_name so users can rename this script witout having to change the code. %>