SMTP and NTLM


 
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Operating Systems HP-UX SMTP and NTLM
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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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Mail::Verify(3pm)					User Contributed Perl Documentation					 Mail::Verify(3pm)

NAME
Mail::Verify - Utility to verify an email address SYNOPSIS
use Mail::Verify; DESCRIPTION
"Mail::Verify" provides a function CheckAddress function for verifying email addresses. First the syntax of the email address is checked, then it verifies that there is at least one valid MX server accepting email for the domain. Using Net::DNS and IO::Socket a list of MX records (or, falling back on a hosts A record) are checked to make sure at least one SMTP server is accepting connections. ERRORS
Here are a list of return codes and what they mean: 0 The email address appears to be valid. 1 No email address was supplied. 2 There is a syntaxical error in the email address. 3 There are no DNS entries for the host in question (no MX records or A records). 4 There are no live SMTP servers accepting connections for this email address. EXAMPLES
This example shows obtaining an email address from a form field and verifying it. use CGI qw/:standard/; use Mail::Verify; my $q = new CGI; [...] my $email = $q->param("emailaddr"); my $email_ck = Mail::Verify::CheckAddress( $email ); if( $email_ck ) { print '<h1>Form input error: Invalid email address.</h1>'; } [...] perl v5.8.8 2002-06-09 Mail::Verify(3pm)