Subject: Interactive routing subsystem off for localhost

From: Grace He <[email-masked]>
Date: Wed, 12 Jun 2002 17:24:01 -0400

We noticed the following behavor:

======== Begin ===
> telnet <server.domainname> 25
Trying xxx.xxx.xxx.xxx...
Connected to <server.domainname>.
Escape character is '^]'.
220 <server.domainname> ZMailer Server 2.99.55-patch1 #2 ESMTP+IDENT
ready at T
ue, 4 Jun 2002 11:30:38 -0400
helo <server.domainname>
250 <server.domainname> Hello <server.domainname>
mail from: <user@domainname>
250 2.1.0 Sender syntax Ok
^]
telnet> Connection closed.
======= End ===

In this case it works fine when we telnet to <server.domainname>.

======== Begin ===
> telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
220 localhost ZMailer Server 2.99.55-patch1 #2 ESMTP+IDENT ready at Tue,
4 Jun 2
002 11:31:11 -0400
helo localhost
250 localhost Hello localhost
mail from: <user@domainname>
400 4.4.0 Interactive routing subsystem is not enabled
quit
221 2.0.0 localhost Out
Connection closed by foreign host.
======== End ===

In this case it dies with error "400 4.4.0 Interactive routing
subsystem is not enabled".

localhost is mapped to <mailserver.domainname> in "localnames" file.

Is there a reason for this not to work when telent to localhost on
port 25?

Thanks,

Grace He			
Ryerson University - School of Computer Science	
Voice : (416) 979-5000, ext. 6697
Fax   : (416) 979-5064
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