SMTP port not listened

David S. Herron david at twg.com
Tue Oct 30 12:42:41 AEST 1990


In article <471 at sdipl.oz> petem at sdipl.oz (Peter Mason) writes:
>Which process in the SCO system is supposed to be monitoring this port,
>and how do we get it started up?

smtpsrvr handles the SMTP protocol and can be started directly
	from inetd, if you like
smtpd (if it's there) comes in two slightly different flavors.  One
	does inetd-like things (waits on a connection and starts
	smtpsrvr with the incoming socket/connection attached
	to std{in,out}).  The other is meant to be run from inetd.


>From one of our SCO systems here, a line from /etc/inetd.conf:

smtp   stream  tcp     nowait  mmdf    /usr/mmdf/chans/smtpd smtpd /usr/mmdf/chans/smtpsrvr smtp


The fields are as follows:

"smtp" 		name of service
"stream tcp"	type of socket to do
"nowait"	don't wait for the daemon to finish before continuing
		to listen to connections (?)
"mmdf"		user ID to run the command as
"/usr/mmdf/..."	the command

/usr/mmdf/chans/smtpd is the program to run, and 'smtpd' is argv[0].
The arguments are: program to run when a connection starts, and the
channel through which the mail is to enter the system.

This is on an SCO/ODT system -- I dunno what it looks like on
an SCO/Unix system but assume it's more-or-less identical.

The arguments to smtpsrvr are (in case you feel like bypassing inetd)

smtpsrvr them us channel[,channel,channel,...]

"them" and "us" are the names of the remote and local ends of
the connection, respectively.  
-- 
<- David Herron, an MMDF & WIN/MHS guy, <david at twg.com>
<- Formerly: David Herron -- NonResident E-Mail Hack <david at ms.uky.edu>
<-
<- Use the force Wes!



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