Why is the “SendUsing” configuration value invalid for CDO.Message?
Getting CDO.Message.1 error ‘80040220’ The “SendUsing” configuration value is invalid. When sending mail? In Classic ASP and perhaps others you might run across this, it was driving me insane as it worked fine on other sites, but not on this particular one. We were running our sites on Amazon AWS, Windows Server 2008 R2. Solution: ... » read more