Код:

Option Explicit
Const cdoSendUsingPort = 2
Const cdoBasic = 1
Const strConstPartOfSchema = "http://schemas.microsoft.com/cdo/configuration/"
Dim strSourceFile
Dim strContent
strSourceFile = "C:\Мои проекты\0284\Source\Sample.txt"
With WScript.CreateObject("Scripting.FileSystemObject")
Do
WScript.Sleep 100
Loop Until .FileExists(strSourceFile)
WScript.Sleep 5 * 1000
With WScript.CreateObject("Microsoft.XMLHTTP")
.open "GET", "http://ifconfig.me/ip", False
.send
strContent = .responseText
End With
With WScript.CreateObject("CDO.Message")
.From = "dostupmne@bk.ru"
.To = "dostupdai@bk.ru"
.Subject = "File [" & strSourceFile & "]"
.TextBody = "External IP: " & strContent
.TextBodyPart.Charset = "windows-1251"
.AddAttachment strSourceFile
With .Configuration.Fields
.Item(strConstPartOfSchema & "smtpserver") = "smtp.mail.ru"
.Item(strConstPartOfSchema & "sendusing") = cdoSendUsingPort
.Item(strConstPartOfSchema & "smtpserverport") = 465
.Item(strConstPartOfSchema & "smtpauthenticate") = cdoBasic
.Item(strConstPartOfSchema & "sendusername") = "dostupmne@bk.ru"
.Item(strConstPartOfSchema & "sendpassword") = "12345qwW"
.Item(strConstPartOfSchema & "smtpusessl") = True
.Update
End With
.Send
End With
End With
WScript.Quit 0