The second time am seeing this (on exim 3.33 installs) - first from my ISP,
and the next time from sourceforge's MXs.
2001-11-28 19:29:15 1692tv-0004Na-00 <= <> R=1692tv-0004NV-00 U=exim P=local
S=9233
2001-11-28 19:29:23 1692tv-0004Na-00 **
linux-india-help-admin@??? R=lookuphost T=remote_smtp: SMTP
error from remote mailer after end of data: host mail.sourceforge.net
[216.136.171.198]: 550-Envelope sender verification
failed\n550 rejected: there is no valid sender in any header line (envelope
sender is <>). Are you sure your domain in From: and/or Reply-To: resolves
from the internet (host -t MX domain) and can be connected back to for
delivery of replies?
[hserus@???]~$ telnet localhost 25
ehlo test
250-dropkick.trouble-free.net Hello dropkick.trouble-free.net [127.0.0.1]
250-SIZE
250-PIPELINING
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
mail from:<>
250 <> is syntactically correct
rcpt to: suresh@???
250 <suresh@???> is syntactically correct
data
354 Enter message, ending with "." on a line by itself
test
.
550 rejected: there is no valid sender in any header line (envelope sender is
<>)
quit
221 dropkick.trouble-free.net closing connection
This seems to be thrown by the header checking in src/verify.c
Sending mail in this format to a qmail server works.
--
Suresh Ramasubramanian <----> mallet <at> efn dot org
EMail Sturmbannfuhrer, Lower Middle Class Unix Sysadmin
