Received: from localhost (daemon@localhost) by CS.UTK.EDU with SMTP (cf v2.9s-UTK) id QAA07498; Sat, 8 Nov 1997 16:14:15 -0500 (EST) Received: by CS.UTK.EDU (bulk_mailer v1.7); Sat, 8 Nov 1997 16:12:33 -0500 Received: by CS.UTK.EDU (cf v2.9s-UTK) id QAA07387; Sat, 8 Nov 1997 16:12:32 -0500 (EST) Received: from koobera.math.uic.edu (koobera.math.uic.edu [131.193.178.247]) by CS.UTK.EDU with SMTP (cf v2.9s-UTK) id QAA07283; Sat, 8 Nov 1997 16:12:11 -0500 (EST) Received: (qmail 21166 invoked by uid 666); 8 Nov 1997 21:12:57 -0000 Date: 8 Nov 1997 21:12:57 -0000 Message-ID: <19971108211257.21165.qmail@cr.yp.to> From: "D. J. Bernstein" To: drums@cs.utk.edu Subject: Re: RCPT TO: Many firewalls have SMTP servers that, for security reasons, do not support local delivery; they simply relay messages to internal hosts. What is ``RCPT TO:'' supposed to do? Another example of the difference between expectations and reality is that users often send mail to postmaster@bar.foo to complain about host.baz.bar.foo. ---Dan Put an end to fake mailing list subscriptions. http://pobox.com/~djb/ezmlm.html