oui depuis le serveur qui possede le smtp ( il chope l'ip par ce biais & on a tous les résultats )
genre chez moi
[mikala@andrea mikala]$ telnet relay-test.mail-abuse.org
Trying 204.152.187.123...
Connected to cygnus.mail-abuse.org (204.152.187.123).
Escape character is '^]'.
Connecting to 80.65.224.163 ...
<<< 220 mikala.littleboboy.net ESMTP Postfix
>>> HELO cygnus.mail-abuse.org
<<< 250 mikala.littleboboy.net
:Relay test: #Quote test
>>> mail from: <spamtest@mikala.littleboboy.net>
<<< 250 Ok
>>> rcpt to: <"nobody@mail-abuse.org">
<<< 554 <nobody@mail-abuse.org>: Relay access denied
>>> rset
<<< 250 Ok
:Relay test: #Test 1
>>> mail from: <nobody@mail-abuse.org>
<<< 250 Ok
>>> rcpt to: <nobody@mail-abuse.org>
<<< 554 <nobody@mail-abuse.org>: Relay access denied
>>> rset
<<< 250 Ok
:Relay test: #Test 2
>>> mail from: <spamtest@maps1.pa.vix.com>
<<< 250 Ok
>>> rcpt to: <nobody@mail-abuse.org>
<<< 554 <spamtest@maps1.pa.vix.com>: Sender address rejected: Domain not found
>>> rset
<<< 250 Ok
:Relay test: #test 3
>>> mail from: <spamtest@localhost>
<<< 250 Ok
>>> rcpt to: <nobody@mail-abuse.org>
<<< 554 <nobody@mail-abuse.org>: Relay access denied
>>> rset
<<< 250 Ok
[...]
:Relay test: #test 19
>>> mail from: <postmaster@mikala.littleboboy.net>
<<< 250 Ok
>>> rcpt to: <nobody@mail-abuse.org>
<<< 554 <nobody@mail-abuse.org>: Relay access denied
>>> rset
<<< 421 Error: too many errors
Connecting to 80.65.224.163 ...
<<< 220 mikala.littleboboy.net ESMTP Postfix
>>> HELO cygnus.mail-abuse.org
<<< 250 mikala.littleboboy.net
>>> QUIT
<<< 221 Bye
Tested host banner: 220 mikala.littleboboy.net ESMTP Postfix
System appeared to reject relay attempts
Connection closed by foreign host.
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avec un message résumant la situation a la fin .
mais le nombre de tests varient parfois en fonction des réponses du smtp .