Sending Mail Using ASP/VBScript To Exchange Mail Box

Here's the scenario. I'm currently using cdosys/asp to send mail to
our SMTP server. We use a product called MailFilter to check for SPAM.
It doesn't work very well. If MailFilter isn't working cdosys also has
problems and emails don't get sent. As these email are confirmations
for customer's bookings this means lots of customers calling to see
where their confirmation emails have gone. The root of the problem is
MailFilter but that here to stay. So I had this thought of sending the
message to a queue of some sort so at least they will get to the
customer eventually rather than being lost for good. So here's the
question:

Can I/How do I send messages to a mailbox on our exchange server using
cdo.message?