make rules to stop sending mails in exchange RRS feed

  • Question

  • I have make an addin for Outlook to sign each mail when sends. I want each Outlook clients without my addin can not send mails. So I want to do some developing for exchange to check each arrived mail, if not signed,exchange will not send the mail.How can I make it? I don't know how to develope for exchange.Any help will be grateful!
    Wednesday, September 15, 2010 2:36 AM