How can I avoid Outlook's security warning when sending email programmatically?

Question

I send email through Outlook using VB.Net 2005; this is working fine.
At the same time, however, I receive the following message:

A program is trying

Answer 1

This is "by design". It's done to prevent viruses from doing things like going through the address book and automatically sending emails on the user's behalf. Having the dialog prevents a virus from silently becoming a spam bot.