From: "D. J. Bernstein" Message-ID: <19970427021607.23356.qmail@koobera.math.uic.edu> Date: 27 Apr 1997 02:16:07 -0000 To: drums@cs.utk.edu Subject: ehlo survey Earlier today there were approximately 856000 reachable SMTP servers on the Internet, out of the 16 million IP addresses found in the 199701 NW DNS walk. The following chart shows the percentage of those servers that support various ESMTP options: 37% 8bitmime 0% chunking 30% dsn 0% enhancedstatuscodes 21% etrn 60% expn 68% help 34% onex 6% pipelining 1% saml 1% send 66% size 1% soml 0% turn 31% verb 2% vrfy Note that multihomed hosts are weighted by IP address. ---Dan Let your users manage their own mailing lists. http://pobox.com/~djb/qmail.html