dnsreport.com i udu?

From: Michael Rasmussen (none@mir--datanom.net.lh.bsd-dk.dk)
Date: Mon 31 May 2004 - 22:59:41 CEST

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Subject: dnsreport.com i udu?
From: Michael Rasmussen <none@mir--datanom.net.lh.bsd-dk.dk>
To: bsd-dk liste <none@bsd-dk--bsd-dk.dk.lh.bsd-dk.dk>
Date: Mon, 31 May 2004 22:59:41 +0200

Hej alle,

Fik dette glimrende link af Henrik Kramshøj her på listen engang, men af
en eller anden årsag fejler dens kontrol af om mailserveren fra
MX-recorden svarer.

Setup:

[mir@tomcat mir]$ host -t MX datanom.net
datanom.net mail is handled by 10 mail.datanom.net.

internet -> router -> firewall (linux iptaples) -> DMZ -> OBSD3.4-stable
(Postfix)

Min OBSD kører uden nogen form for filtrering andet end hvad der default
findes i stable.

En telnet udefra giver adgang øjeblikkeligt uden problemer.
[mir@tomcat mir]$ telnet mail.datanom.net 25
Trying 62.79.156.201...
Connected to mail.datanom.net.
Escape character is '^]'.
220 sleipner.datanom.net ESMTP Datanom Mail Daemon. We block/report all
spam.
quit
221 Bye
Connection closed by foreign host.

Uddrag fra maillog:
May 31 22:54:06 sleipner postfix/smtpd[27389]: connect from
test.dnsstuff.com[69.2.200.182]
May 31 22:54:06 sleipner postfix/smtpd[27389]: DD90053B:
client=test.dnsstuff.com[69.2.200.182]
May 31 22:54:12 sleipner postfix/smtpd[27389]: DD90053B: reject: RCPT
from test.dnsstuff.com[69.2.200.182]: 554 <none@postmaster--[62.79.156.201].lh.bsd-dk.dk>:
Relay access denied; from=<none@> to=<postmaster--[62.79.156.201].lh.bsd-dk.dk> proto=SMTP
helo=<test.DNSreport.com>
May 31 22:55:12 sleipner postfix/smtpd[27389]: disconnect from
test.dnsstuff.com[69.2.200.182]

Hilsen/Regards
Michael Rasmussen

Get my public GnuPG keys:
mir datanom net
http://search.keyserver.net:11371/pks/lookup?op=get&search=0xE501F51C
mir miras org
http://search.keyserver.net:11371/pks/lookup?op=get&search=0xE3E80917
--------------------------------------------------------------
Avoid multiple exits from loops.
- The Elements of Programming Style (Kernighan & Plaugher)

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Next message: Laust S. Jespersen: "RE: Anden årlige BB&BDEB (v2.0!) / Second Annual BB&YOB (v2.0!) - Friday 29th of august @ logi's place on Ama'r."
Previous message: Phil Regnauld: "Re: Anden årlige BB&BDEB (v2.0!) / Second Annual BB&YOB (v2.0!) - Friday 29th of august @ logi's place on Ama'r."
Next in thread: Henrik Lund Kramshøj: "Re: dnsreport.com i udu?"
Reply: Henrik Lund Kramshøj: "Re: dnsreport.com i udu?"
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