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Top Forums UNIX for Advanced & Expert Users deferred: connection timed out with NT Post 33394 by RTM on Friday 3rd of January 2003 03:07:32 PM
Old 01-03-2003
Check that you have the correct IP address for the NT server in your host file and/or DNS. Make sure you can ping the server or trace the route for possible problems.

Then try connecting manually:

Example (from PCUNIX.com - SCO FAQ )

$ telnet mail.somewhere.com 25
Trying 192.168.75.194...
Connected to smtp.somewhere.com.
Escape character is '^]'.
220 smtp.somewhere.net ESMTP Sendmail 8.9.3+Sun/8.9.1; Thu, 12 Oct 2000 04:39:40 -0700 (PDT)


Once you have proven a good connection (enter quit to exit) you can relook at your sendmail for possible problems.
 

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mconnect(1)							   User Commands						       mconnect(1)

NAME
mconnect - connect to SMTP mail server socket SYNOPSIS
mconnect [-p port] [-r] [hostname] DESCRIPTION
The mconnect utility opens a connection to the mail server on a given host, so that it can be tested independently of all other mail soft- ware. If no host is given, the connection is made to the local host. Servers expect to speak the Simple Mail Transfer Protocol (SMTP) on this connection. Exit by typing the quit command. Typing EOF sends an end of file to the server. An interrupt closes the connection immedi- ately and exits. OPTIONS
The following options are supported: -pport Specify the port number instead of the default SMTP port (number 25) as the next argument. -r Raw mode: disable the default line buffering and input handling. This produces an effect similar to telnet(1) to port number 25. OPERANDS
The following operand is supported: hostname The name of a given host. USAGE
The mconnect command is IPv6-enabled. See ip6(7P). FILES
/etc/mail/sendmail.hf Help file for SMTP commands ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWsndmu | +-----------------------------+-----------------------------+ SEE ALSO
telnet(1), sendmail(1M), attributes(5), ip6(7P) Postel, Jonathan B., RFC 821, Simple Mail Transfer Protocol, Information Sciences Institute, University of Southern California, August 1982. SunOS 5.11 28 Jan 2008 mconnect(1)
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