[wellylug] Re: CA-CERT Assurance

Enkidu enkidu at cliffp.com
Fri Jun 4 21:55:30 NZST 2004


Aaargh! But I use the txt records for other stuff!

Cheers,

Cliff

On Fri, 4 Jun 2004 19:26:28 +1200, you wrote:

>The general idea was to put a TXT record in your domain with a list of
>addresses or netblocks that were allowed to transmit mail from an
>@yourdomain.foo address.
>
>So when your smtp server receives a message, it can check that the
>connecting address is listed in the record.  If it doesn't exist, the
>message is more likely to be spam.
>
>It's not perfect, but it's by far one of the better ideas I've heard
>recently.
>
>-----Original Message-----
>From: wellylug-admin at lists.naos.co.nz
>[mailto:wellylug-admin at lists.naos.co.nz] On Behalf Of Enkidu
>Sent: Friday, 4 June 2004 6:55 p.m.
>To: wellylug at lists.naos.co.nz
>Subject: Re: [wellylug] Re: CA-CERT Assurance
>
>>Personally, I like Microsoft's DNS caller-id system as a solution for
>>spam.  It requires no changes to existing protocols - it works
>alongside
>>standard SMTP and nothing forces you to test the validity.
>
>What that? Is it just requiring reverse lookup or is it more than
>that? I did read it at the time, but it's slipped my mind.




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