Why do CDONTS messages end up in the badmail folder?
If you are getting .bdr files in the badmail folder, this means the mail could not be sent for some reason. You might see an error like this, if you open up one of the .bdr files:
The most common cause is that you've either omitted the address in the From or To properties, or included an invalid e-mail address (see KB #267859 - fixed in Windows 2000 Service Pack 2)
You've reinstalled the IIS SMTP service (see KB #290290), or your SMTP service isn't properly configured (see KB #265621)
You are using Smart Host and a DNS server that does not support TCP queries (see KB #276347)
You are attempting to run Microsoft Commercial Internet System on Windows 2000 (see KB #258918)
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