Re: XTRA, blacklisted by 'mail.com' --- WHY?

Possibly fall-out from the ORBS debacle, although I've noticed that sending mail to Outblaze is next to impossible from any APNIC IP -- certainly can't do so from Paradise, and there's a big wodge of messages stuck in the mail queue on one of IDG's servers. -- Regards, Juha PGP fingerprint: B7E1 CC52 5FCA 9756 B502 10C8 4CD8 B066 12F3 9544 On Mon, 18 Jun 2001, Chris Wedgwood wrote:

At present, some of my outband email is sent through XTRA's mail-server(s) as they block outgoing SMTP access when you are inflicted with Jetstream/Jetstart through Xtra.

Not that I really mind all that much, it works pretty much flawlessly and Xtra are arguably being good people by blocking nasty evil users from injecting spam into other peoples open-relays (perhaps they block other ports too --- maybe someone from Xtra can comment?).

Now, this just occured, which again doesn't really bother me in this instance, but I am curious as to _why_ this was blocked. The DSN I received says this:

Reporting-MTA: dns; balthamel.xtra.co.nz Arrival-Date: Sun, 17 Jun 2001 23:13:47 +1200 Received-From-MTA: dns; tapu (210.55.42.93)

Final-Recipient: RFC822; Action: failed Status: 5.1.3 Remote-MTA: dns; mail-com-bk.mr.outblaze.com (205.158.62.36) Diagnostic-Code: smtp; 553 5.3.0 Mail from 203.96.92.15 refused. Blacklisted.

yet when I check the common 'blacklisting' mechanisms I find nothing:

tapu:~$ rblcheck 203.96.92.15 203.96.92.15 not RBL filtered by blackholes.mail-abuse.org 203.96.92.15 not RBL filtered by dialups.mail-abuse.org 203.96.92.15 not RBL filtered by relays.mail-abuse.org 203.96.92.15 not RBL filtered by inputs.orbs.org 203.96.92.15 not RBL filtered by outputs.orbs.org 203.96.92.15 not RBL filtered by manual.orbs.org 203.96.92.15 not RBL filtered by spamsources.orbs.org 203.96.92.15 not RBL filtered by untestable-netblocks.orbs.org 203.96.92.15 not RBL filtered by spamsource-netblocks.orbs.org

so I wonder what else is out there that is used to blacklist evil people? And why is Xtra in this list?

--cw

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