Vacation problem

[John Hughes]

Here's the problem:

$ telnet mail.intellinetinc.com smtp
Trying 139.142.54.37...
Connected to h139-142-54-37.gtcust.grouptelecom.net.
Escape character is '^]'.
220 intellinetinc.com ESMTP Sendmail 8.12.4/8.12.4; Thu, 23 Jan 2003
01:28:23 -0700 (MST)
ehlo joe
250-intellinetinc.com Hello franconia.calvaedi.com [213.39.1.226],
pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-EXPN
250-VERB
250-8BITMIME
250-SIZE
250-DSN
250-ETRN
250-DELIVERBY
250 HELP
mail from: <>
550 5.7.1 <>... Command rejected

That's bad.  See rfc1123, section 5.2.9, or 
http://www.rfc-ignorant.org/policy-dsn.php

Not a cyrus bug, a sendmail configuration bug.