Sending E-mail from a Command Prompt Using the IIS SMTP Service

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The Windows NT Option Pack (NTOP) includes a Simple Mail Transfer Protocol (SMTP) service for Internet Information Server (IIS). Also included in the Option Pack is the Windows Script Host (WSH), which is a powerful batch processing language interpreter, allowing administrators to write scripts in Visual Basic Script (VBS) or JScript (JS). Together the SMTP service and WSH can be used to send e-mail from a command line.

More Information

With the SMTP service installed, a new system object named "CDONTS.NewMail" can be used to send mail with a few lines of code.

The following example using VBS and WSH demonstrates how to send -email from a command prompt. Save the code shown below as SENDMAIL.VBS, open a command prompt session. and call the code using the following syntax:


This will return the Help screen that shows the syntax for using the script. This script can be used inside batch files, or for other purposes such as sending alerts from Performance Monitor.

Save the following VBS code as SENDMAIL.VBS:

' Sends email from the local SMTP service using CDONTS objects
' Usage:
' sendmail -t <to> -f <from> -s "<subject>" -b "<message>"
' sendmail [-help|-?]

Option Explicit
On Error Resume Next

Dim objSendMail, oArgs, ArgNum
Dim strTo, strFrom, strSubject, strBody

Set oArgs = WScript.Arguments
ArgNum = 0

While ArgNum < oArgs.Count
Select Case LCase(oArgs(ArgNum))
Case "-to","-t":
ArgNum = ArgNum + 1
strTo = oArgs(ArgNum)
Case "-from","-f":
ArgNum = ArgNum + 1
strFrom = oArgs(ArgNum)
Case "-subject","-s":
ArgNum = ArgNum + 1
strSubject = oArgs(ArgNum)
Case "-body","-b":
ArgNum = ArgNum + 1
strBody = oArgs(ArgNum)
Case "-help","-?":
Call DisplayUsage
Case Else:
Call DisplayUsage
End Select
ArgNum = ArgNum + 1

If oArgs.Count=0 Or strTo="" Or strFrom="" Or _
strSubject="" Or strBody="" Then
Call DisplayUsage
Set objSendMail = CreateObject("CDONTS.NewMail")
objSendMail.From = strFrom
objSendMail.To = strTo
objSendMail.Subject = strSubject
objSendMail.Body = strBody
Set objSendMail = Nothing
End If

' Display the usage for this script
Sub DisplayUsage
WScript.Echo "Usage:"
WScript.Echo " sendmail -t <to address> -f <from address> -s " & _
Chr(34) & "<subject>" & Chr(34) & " -b " & Chr(34) & _
"<message body>" & Chr(34)
WScript.Echo " sendmail [-help|-?]"
WScript.Echo ""
End Sub

Article ID: 193685 - Last Review: Feb 17, 2009 - Revision: 1