I would think that would be easy, just check for broken implementations of standards, and voila! you have an exchange server! If not, probably not Exchange! Kelly ------------------------------------------------- Message: 9 Date: Wed, 01 Aug 2001 19:45:30 -0500 From: "Marc Ohmann" <mohmann at qwest.net> To: tclug-list at mn-linux.org Subject: Re: [TCLUG] mail server statistics Reply-To: tclug-list at mn-linux.org I would think this stat would be difficult to come by since a lot of smtp servers don't return a name or version in the smtp header for security reasons. Marc Amy Tanner wrote: >Anyone know of any URL with statistics on email server software usage? Like >what % of mail servers are sendmail versus exchange? Any URLs appreciated. >Thanks. >