spf?

[Net Llama!]

On Mon, 1 Mar 2004, dep wrote:
> quoth Net Llama!:
> | On Mon, 1 Mar 2004, dep wrote:
> | > greetings, crowd . . .
> | >
> | > time for me to undertake another breathtaking display of ignorance.
> | >
> | > i'm on a cable modem and have used sendmail for the most part for
> | > years. problem is, more and more isps are blacklisting whole blocks
> | > of cable modem addresses.
> | >
> | > what i'm trying to figure out is whether spf would be of any use
> | > here, on my machine, or whether it is something that, really, has
> | > nothing to do with me. i've endeavored to read what i can on the
> | > subject, but most of it is, like so much documentation, written in
> | > a way that suggests arriving at the game at about halftime.
> | >
> | > anybody know about spf and what good it might be in a situation
> | > like mine? or is it something that would need to be done at the isp
> | > level?
> |
> | Do you have authoritative control over your DNS record(s)?  If not,
> | then SPF isn't for you.
>
> a dandy question. do i? i'm on a plain vanilla cable modem connection.
> i'm not even certain how i'd find out.

If you don't know, then you're not.  If you're the authority for your DNS
record then you'd have to have set this up from day one.

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Lonni J Friedman				netllama at linux-sxs.org
Linux Step-by-step & TyGeMo		     http://netllama.ipfox.com