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Relay check on PLESK give Open Relay ...

lvalics

Silver Pleskian
Plesk Guru
Someone told me that if have done a relay test with http://www.rbl.jp/svcheck.php get some possibilities to have an Open Relay (tested io PLESK 7.5)

Anyone know how can be QMail on PLESK 7.5 pathed or what can be a problem? IS very strange that on all servers happening.

<<< 220 IP-REMOVED ESMTP
>>> HELO rep.rbl.jp
<<< 250 IP-REMOVED


Relay test 0
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk@rep.rbl.jp>
<<< 250 ok
>>> RCPT TO: <rlytest@rbl.jp>
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
relay NOT accepted!!

Relay test 1
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk>
<<< 250 ok
>>> RCPT TO: <rlytest@rep.rbl.jp>
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
relay NOT accepted!!

Relay test 2
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <>
<<< 250 ok
>>> RCPT TO: <rlytest@rep.rbl.jp>
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
relay NOT accepted!!

Relay test 3
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk@IP-REMOVED>
<<< 250 ok
>>> RCPT TO: <rlytest@rep.rbl.jp>
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
relay NOT accepted!!

Relay test 4
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk@[IP-REMOVED]>
<<< 250 ok
>>> RCPT TO: <rlytest@rep.rbl.jp>
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
relay NOT accepted!!

Relay test 5
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk@IP-REMOVED>
<<< 250 ok
>>> RCPT TO: <rlytest%rep.rbl.jp@IP-REMOVED>
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
relay NOT accepted!!

Relay test 6
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk@IP-REMOVED>
<<< 250 ok
>>> RCPT TO: <rlytest%rep.rbl.jp@[IP-REMOVED]>
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
relay NOT accepted!!

Relay test 7
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk@IP-REMOVED>
<<< 250 ok
>>> RCPT TO: <"rlytest@rep.rbl.jp">
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
relay NOT accepted!!

Relay test 8
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk@IP-REMOVED>
<<< 250 ok
>>> RCPT TO: <"rlytest%rep.rbl.jp">
<<< 250 ok
relay accepted!!

Relay test 9
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk@IP-REMOVED>
<<< 250 ok
>>> RCPT TO: <rlytest@rep.rbl.jp@IP-REMOVED>
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
relay NOT accepted!!

Relay test 10
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk@IP-REMOVED>
<<< 250 ok
>>> RCPT TO: <"rlytest@rep.rbl.jp"@IP-REMOVED>
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
relay NOT accepted!!

Relay test 11
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk@IP-REMOVED>
<<< 250 ok
>>> RCPT TO: <"rlytest@rep.rbl.jp"@[IP-REMOVED]>
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
relay NOT accepted!!

Relay test 12
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk@IP-REMOVED>
<<< 250 ok
>>> RCPT TO: <@IP-REMOVED:rlytest@rep.rbl.jp>
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
relay NOT accepted!!

Relay test 13
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk@IP-REMOVED>
<<< 250 ok
>>> RCPT TO: <@[IP-REMOVED]:rlytest@rep.rbl.jp>
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
relay NOT accepted!!

Relay test 14
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk@IP-REMOVED>
<<< 250 ok
>>> RCPT TO: <rep.rbl.jp!rlytest>
<<< 250 ok
relay accepted!!

Relay test 15
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk@IP-REMOVED>
<<< 250 ok
>>> RCPT TO: <rep.rbl.jp!rlytest@IP-REMOVED>
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
relay NOT accepted!!

Relay test 16
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk@IP-REMOVED>
<<< 250 ok
>>> RCPT TO: <rep.rbl.jp!rlytest@[IP-REMOVED]>
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
relay NOT accepted!!

Relay test 17
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk@IP-REMOVED>
<<< 250 ok
>>> RCPT TO: <"rlytest%rep.rbl.jp"@dedicated.abac.net>
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
relay NOT accepted!!

Relay test 18
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk@IP-REMOVED>
<<< 250 ok
>>> RCPT TO: <"rlytest@rep.rbl.jp"@dedicated.abac.net>
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
relay NOT accepted!!

Relay test 19
>>> RSET
<<< 250 flushed
>>> MAIL FROM: <rlychk@localhost>
<<< 250 ok
>>> RCPT TO: <rlytest@rep.rbl.jp>
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
relay NOT accepted!!

Closing connection ...

>>> QUIT
<<< 221 IP-REMOVED

Relay test result
All tests performed, 2 relays accepted.


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If I remember correctly these are false positives and down to the way that qmail works.

An easy test would be to telnet to port 25 on your server and issue those commands yourself but use an external email address you have access to instead of the relay test ones.

You should find they are not delievered.

Faris.
 
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