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SMTP and NTLM

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Operating Systems HP-UX SMTP and NTLM
# 1  
Old 11-10-2009
SMTP and NTLM
Hi,

I have a HP Unix from which I'm trying to connect to an email server through telnet and test sending emails using commands. Why am I doing that is not important.
The email server is an Exchange server and it looks like that the only Authentication method it supports is NTLM.
The host name is "svrdb01".
Here is what I do:

telnet 172.19.120.36
ehlo 172.19.120.36
AUTH NTLM 4e544c4d535350000100000007220000060006002000000073767264623031

The hex number is made based on the following information:
- NTLMSSP Signature and Type 1 Indicator: (0x4e544c4d53535000 and 0x01000000)
- Flags: (0x07220000)
Negotiate Unicode (0x00000001)
Negotiate OEM (0x00000002)
Request Target (0x00000004)
Negotiate NTLM (0x00000200)
Negotiate Workstation Supplied (0x00002000)
- Supplied Domain Security Buffer (0x0600060020000000)
Length: 7 bytes (0x0700)
Allocated Space: 7 bytes (0x0700)
Offset: 32 bytes (0x20000000)
- Data section (workstation name "svrdb01"): 73767264623031

But in return I get the "Authentication unsuccessful" error. Am I doing something wrong? How can I make sure those flags I've set are actually correct? For example how do I know my OS actually supports NTLM?
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LEARN ABOUT OPENSOLARIS

mconnect

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)