Yes, merely by using
pop3.live.com
and smtp.live.com
as your servers.
dim s Set s = CreateObject("WScript.Shell") s.run chr(34) & "c:\Program Files\mozilla thunderbird\thunderbird.exe" & chr(34) & " -compose mailto:YOU@YOUREMAIL.COM? subject=autoemail&body=EMAILBODY" WScript.Sleep 1000 s.SendKeys "^{ENTER}" WScript.Sleep 1000 Where ":\Program Files\mozilla thunderbird\thunderbird.exe" is the location of your thunderbird.exe, YOU@YOUREMAIL.COM is the recipient and MAILBODY is the email's body
OR Don't do any of that and:
hold down the shift key as you click on "Write" in the Thunderbird window. That composes the email in plain text.