Mailing List Archive

In the case of the email you sent to the list, all would work.

Here's why:

Received: from gardel.tango-host.biz (tango-host.biz [69.50.198.55])

Your record says:
% dig +short @ns1.tango-host.biz how2tango.org txt
"v=spf1 a mx ptr a:secureserver.net ptr:secureserver.net -all"

And the A record for how2tango.org yields
% dig +short how2tango.org
69.50.198.55

So the very first test passes, and a record saying just:
"v=spf1 a -all"
would have been sufficient in that case.

Hope this helps,

Len



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http://spftools.infinitepenguins.net/check.php

http://www.dnsstuff.com/pages/spf.htm

http://spf.pobox.com/why.html

Take your pick :-)



Slainte,

JohnP.
johnp@idimo.com
ICQ 313355492





----- Original Message -----
From: <dominique@how2tango.org>
To: <spf-help@v2.listbox.com>
Sent: Tuesday, October 05, 2004 10:28 PM
Subject: [spf-help] Question from a newbie


> Hello,
> I'm new to SPF I just published the DNS record form my domain and
implemented it in
> my MTA. Can someone help me checking if every thing is working fine?
> Take care,
>
> Dominique
>
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> Archives at http://archives.listbox.com/spf-help/current/
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subscription,
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Thanks a lot for your answer that help that make me aware that one of our secondary
name server was not updated from a long time... :-)
And what about testing the mta part is there some tools around i can use to check this
part.
Best,

Dominique

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On Tue, Oct 05, 2004 at 11:58:49PM +0200, dominique@how2tango.org wrote:
> Thanks a lot for your answer that help that make me aware that one of our secondary
> name server was not updated from a long time... :-)
> And what about testing the mta part is there some tools around i can use to check this
> part.
> Best,

Just send yourself mail from your own spf-protected domain, using some
server that is not in the spf record. Eg. if you have shell access
somewhere on a server, use telnet myserver.com 25, and dance the smtp
dance:

HELO me
MAIL FROM: someone@mydomain.com

If it works, your MTA should say reject after you entered the MAIL FROM
line..

Koen

--
K.F.J. Martens, Sonologic, http://www.sonologic.nl/
Networking, embedded systems, unix expertise, artificial intelligence.
Public PGP key: http://www.metro.cx/pubkey-gmc.asc
Wondering about the funny attachment your mail program
can't read? Visit http://www.openpgp.org/

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