====== Testing SMTP AUTH connections ======

----

  % perl -MMIME::Base64 -e 'print encode_base64("\000jms1\@jms1.net\000not.my.real.password")' 
  AGptczFAam1zMS5uZXQAbm90Lm15LnJlYWwucGFzc3dvcmQ=

  % telnet 1.2.3.4 25
  220 a.mx.jms1.net NO UCE ESMTP
  ehlo testing
  250-a.mx.jms1.net NO UCE
  250-STARTTLS
  250-PIPELINING
  250 8BITMIME
  quit

  % openssl s_client -starttls smtp -crlf -connect 1.2.3.4:25

  % openssl s_client -crlf -connect 1.2.3.4:465

  220 a.mx.jms1.net NO UCE ESMTP
  ehlo testing
  250-a.mx.jms1.net NO UCE
  250-AUTH LOGIN PLAIN
  250-AUTH=LOGIN PLAIN
  250-PIPELINING
  250 8BITMIME

  AUTH PLAIN AGptczFAam1zMS5uZXQAbm90Lm15LnJlYWwucGFzc3dvcmQ=
  235 ok, go ahead (#2.0.0)

  AUTH PLAIN AGptczFAam1zMS5uZXQAbm90Lm15LnJlYWwucGFzc3dvcmQ=
  535 authorization failed (#5.7.0)

  mail from: <nospam@jms1.net>
  250 ok
  rcpt to: <nospam@jms1.net>
  250 ok
  data
  354 go ahead
  From: John <nospam@jms1.net>
  To: Nobody <nospam@jms1.net>
  Subject: fnord
  
  hail eris!
  .
  250 ok 1113954693 qp 29052
  quit
  221 a.mx.jms1.net NO UCE

===== Links =====

  * http://qmail.jms1.net/test-auth.shtml