Automatic email relay agent?

[Alexander Dalloz]

Am Do, den 01.12.2005 schrieb Hongwei Li um 22:00:

> I tested, but got:
> 
> # perl -MMIME::Base64 -e 'print encode_base64("user\0user\0password");'
> dXNlcgB1c2VyAHBhc3N3b3Jk

You faced that this was an example I gave? Of course your user isn't
named "user", but maybe "lih" and has a password which isn't password
(at least I hope so).

> (after
> # openssl s_client -connect morpheus.wustl.edu:25 -starttls smtp
> ...
> 220 morpheus.wustl.edu ESMTP Sendmail 8.13.1/8.13.1; Thu, 1 Dec 2005 14:52:41
> -0600
> ehlo foo.bar
> 250-morpheus.wustl.edu Hello morpheus.wustl.edu [128.252.85.129], pleased to
> meet you
> 250-ENHANCEDSTATUSCODES
> 250-PIPELINING
> 250-8BITMIME
> 250-SIZE
> 250-DSN
> 250-ETRN
> 250-AUTH LOGIN PLAIN
> 250-DELIVERBY
> 250 HELP
> AUTH PLAIN dXNlcgB1c2VyAHBhc3N3b3Jk
> 535 5.7.0 authentication failed

AUTH PLAIN syntax is used correctly.

> AUTH LOGIN dXNlcgB1c2VyAHBhc3N3b3Jk
> 334 UGFzc3dvcmQ6

No, as explained AUTH LOGIN works differently.

C: AUTH LOGIN
S: give me your username
C: user
S: give me your password
C: password

C=client, S=server - all input and output during the auth handshake is
base64 encoded.

> (if I press Enter, it shows:)
> 535 5.7.0 authentication failed
> 
> quit
> 
> Did I do something wrong?

> Hongwei

Alexander


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Alexander Dalloz | Enger, Germany | GPG http://pgp.mit.edu 0xB366A773
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