Date: Mon, 04 Feb 2002 04:47:57 -0600 From: Len Conrad <LConrad@Go2France.com> To: freebsd-questions@freebsd.org Subject: Re: Testinf for open relays Message-ID: <5.1.0.14.2.20020204044043.00bccec8@mail.Go2France.com> In-Reply-To: <20020204103010.GA1119@raggedclown.net> References: <20020204100042.G94814@mail.droso.net> <20020203190151.B69657-100000@deckard.addix.net> <20020203205910.GA2654@raggedclown.net> <200202040855.g148tkS21725@lv.raad.tartu.ee> <20020204100042.G94814@mail.droso.net>
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> > > I think he means exactly the opposite - that some servers 'seem' to
> > > accept the message but do not actually relay it.
> >
> > This is true for several MTA's, e.g. Novell Groupwise.
> >
aka, "inputs.someRBL.RBL", suspected as participants in multi-stage relays,
and blacklisted.
Not to be confused with another kind of "input" at AOL.com, where AOL's
MX's accept a msg for validrecipient@aol.com, but drop it silently. :))
FYI, here's the postfix transcript of a relay test by orbz:
==============================================
Date: Thu, 13 Sep 2001 09:32:10 +0200 (CEST)
From: MAILER-DAEMON@ns2.MEIway.com (Mail Delivery System)
To: spambox@MEIway.com (Postmaster)
Subject: Postfix SMTP server: errors from sender.orbz.org[205.231.149.53]
Message-Id: <20010913073210.7A2B24D5@ns2.MEIway.com>
X-Virus-Scanned: by VirusGate.MEIway.com
X-UIDL: 300224321
Status: U
Transcript of session follows.
Out: 220 ns2.MEIway.com - ESMTP - Postfix - ATTN: UCE trespassers will be
pursued.
In: HELO orbz.org
Out: 250 ns2.MEIway.com
In: MAIL FROM:<bounce-ykqVg6QI@orbz.org>
Out: 250 Ok
In: RCPT TO:<relay@orbz.org>
Out: 554 <relay@orbz.org>: Recipient address rejected: Relay access denied
In: RSET
Out: 250 Ok
In: MAIL FROM:<bounce-ykqVg6QI>
Out: 250 Ok
In: RCPT TO:<relay@orbz.org>
Out: 504 <bounce-ykqVg6QI>: Sender address rejected: need fully-qualified
address
In: RSET
Out: 250 Ok
In: MAIL FROM:<>
Out: 250 Ok
In: RCPT TO:<relay@orbz.org>
Out: 554 <relay@orbz.org>: Recipient address rejected: Relay access denied
In: RSET
Out: 250 Ok
In: MAIL FROM:<bounce-ykqVg6QI@localhost>
Out: 250 Ok
In: RCPT TO:<relay@orbz.org>
Out: 504 <bounce-ykqVg6QI@localhost>: Sender address rejected: need
fully-qualified address
In: RSET
Out: 250 Ok
In: MAIL FROM:<bounce-ykqVg6QI@localhost>
Out: 250 Ok
In: RCPT TO:<relay%orbz.org@localhost>
Out: 504 <bounce-ykqVg6QI@localhost>: Sender address rejected: need
fully-qualified address
In: RSET
Out: 250 Ok
In: MAIL FROM:<bounce-ykqVg6QI@localhost>
Out: 250 Ok
In: RCPT TO:<"relay@orbz.org">
Out: 504 <bounce-ykqVg6QI@localhost>: Sender address rejected: need
fully-qualified address
In: RSET
Out: 250 Ok
In: MAIL FROM:<bounce-ykqVg6QI@localhost>
Out: 250 Ok
In: RCPT TO:<"relay%orbz.org">
Out: 504 <bounce-ykqVg6QI@localhost>: Sender address rejected: need
fully-qualified address
In: RSET
Out: 250 Ok
In: MAIL FROM:<bounce-ykqVg6QI@localhost>
Out: 250 Ok
In: RCPT TO:<relay@orbz.org@localhost>
Out: 504 <bounce-ykqVg6QI@localhost>: Sender address rejected: need
fully-qualified address
In: RSET
Out: 250 Ok
In: MAIL FROM:<bounce-ykqVg6QI@localhost>
Out: 250 Ok
In: RCPT TO:<"relay@orbz.org"@localhost>
Out: 504 <bounce-ykqVg6QI@localhost>: Sender address rejected: need
fully-qualified address
In: RSET
Out: 250 Ok
In: MAIL FROM:<bounce-ykqVg6QI@localhost>
Out: 250 Ok
In: RCPT TO:<@localhost:relay@orbz.org>
Out: 504 <bounce-ykqVg6QI@localhost>: Sender address rejected: need
fully-qualified address
In: RSET
Out: 250 Ok
In: MAIL FROM:<bounce-ykqVg6QI@localhost>
Out: 250 Ok
In: RCPT TO:<orbz.org!relay>
Out: 504 <bounce-ykqVg6QI@localhost>: Sender address rejected: need
fully-qualified address
In: RSET
Out: 250 Ok
In: MAIL FROM:<bounce-ykqVg6QI@localhost>
Out: 250 Ok
In: RCPT TO:<orbz.org!relay@localhost>
Out: 504 <bounce-ykqVg6QI@localhost>: Sender address rejected: need
fully-qualified address
In: RSET
Out: 250 Ok
In: MAIL FROM:<postmaster@localhost>
Out: 250 Ok
In: RCPT TO:<relay@orbz.org>
Out: 504 <postmaster@localhost>: Sender address rejected: need
fully-qualified
address
In: RSET
Out: 250 Ok
In: MAIL FROM:<bounce-ykqVg6QI@[127.0.0.1]>
Out: 250 Ok
In: RCPT TO:<relay@orbz.org>
Out: 554 <relay@orbz.org>: Recipient address rejected: Relay access denied
In: RSET
Out: 250 Ok
In: MAIL FROM:<bounce-ykqVg6QI@[127.0.0.1]>
Out: 250 Ok
In: RCPT TO:<relay%orbz.org@[127.0.0.1]>
Out: 554 <relay%orbz.org@[127.0.0.1]>: Recipient address rejected: Relay
access denied
In: RSET
Out: 250 Ok
In: MAIL FROM:<bounce-ykqVg6QI@[127.0.0.1]>
Out: 250 Ok
In: RCPT TO:<"relay@orbz.org">
Out: 554 <relay@orbz.org>: Recipient address rejected: Relay access denied
In: RSET
Out: 250 Ok
In: MAIL FROM:<bounce-ykqVg6QI@[127.0.0.1]>
Out: 250 Ok
In: RCPT TO:<"relay%orbz.org">
Out: 504 <relay%orbz.org>: Recipient address rejected: need fully-qualified
address
In: RSET
Out: 250 Ok
Session aborted, reason: lost connection
==============================================
Len
http://MenAndMice.com/DNS-training
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