[wellylug] Re: CA-CERT Assurance

[Tim Nicholas]

On 06/04/04 19:26, Sam Cannell 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 basically I could get a complete list of valid addresses for domainX 
by running 'host -t TXT domainX' ?? Am I misunderstanding? That sounds a 
little retarded.

Tim


> 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.
> 
> 
> 
> 


-- 
Tim Nicholas                          ||                      Cilix
Email: tim at nicholas.net.nz            ||    Wellington, New Zealand
http://tim.nicholas.net.nz/           ||   Cell/SMS: +64 21 337 204