Title: Secure Exchange 2000 IMAP4 Service Publishing with ISA Server 2000 - Part 2: Understanding the Co-located SMTP Servers Summary: In the first part of this article on publishing the Exchange 2000 IMAP4 service, we went over the procedures required to make the IMAP4 service available to users on the Internet via ISA Server 2000 (ISA Server) Server Publishing Rules. In this, part 2, of our secure IMAP4 publishing series, we?ll go over the high level details required to understand the Co-located SMTP server scenario we?re building Link: http://www.MSExchange.org/pages/article.asp?id=559