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Today’s Mystery Error Message

I have a little ASP application that works fine on my development server. On the production server I get:

CDO.Message.1 error ‘80040220’

The “SendUsing” configuration value is invalid.

These are the things that make web application development a bit maddening.

1 thought on “Today’s Mystery Error Message

  1. […] Yesterday’s morning R&D centered around trouble shooting an SMTP problem with a Windows2003 server and ASP. Basically, I don’t get the error on my development server, which is still a Windows2000 machine. That means it could be code or server setup. The problem manifests itself when an attempt is made to send an email after a form is submitted. CDO.Message.1 error ‘80040220′ […]

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