From: Len Conrad (LConradGo2France.com)
Date: Wed Feb 14 2007 - 09:20:13 CST

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and here's the Vivek's expect script that is mysteriously creating
the eternally-stuck-in-active-queue msgs:

#!/usr/local/bin/expect -f
# -*- tcl -*-

# check to see if the sendmail server is up and running.
# return 0 on success, 1 on any failure

# V. Khera <kherakciLink.com>
# 6-MAR-1995
# $Id: checksmtp,v 1.8 2002/06/11 15:51:55 khera Exp $

exp_version -exit 5.0

if $argc<1 {
     send_user "usage: checksmtp.sh hostname or ip.ad.re.ss \[port\]\n"
     exit
}

set host [lindex $argv 0]
if $argc==2 {
     set port [lindex $argv 1]
} else {
     set port 25
}

proc systemdead {} {
     puts "The system is dead\r"
     exit 1
}

proc systemdeadto {} {
     puts "The system is not responding quickly\r"
     exit 2
}

proc systemalive {} {
     puts "The system is alive\r"
     exit 0
}

proc systemunknown {} {
     puts "Unknown system name!\r"
     exit 1
}

# run telnet to the port, and see if we get the expected output

set timeout 30

spawn telnet $host $port
expect {
     timeout systemdeadto
     "Connection refused" systemdead
     "Unknown host" systemunknown
     "\n220 " { send "quit\r" ; sleep 2 ; systemalive}
}

# if we fall through the cracks, assume the worst
systemdead

=======

no SMTP helo/mail from/rcpt to/data commands, just a connect and QUIT.

So 2 questions:

1. how are the msgs created by the expect script?

2. why do the msgs stick in the active queue indefinitely? (no
bounce, no defer, eternally active)

Len

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