RE: [OT] Someones sending spam using my Domain name !

["Paul Gale" <groups@xxxxxxxxxxxxxxxx>]

SPF didn't make a difference in my case - I believe because there are
so many servers out there that don't do SPF checking, so you still get the
'unable to deliver message' message :(

Paul.



> -----Original Message-----
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf Of
> brougham Baker
> Sent: 05 January 2007 18:07
> To: ukha_d@xxxxxxx
> Subject: Re: [ukha_d] [OT] Someones sending spam using my Domain name
!
>
> From: "Jewelie" <jewelie@xxxxxxx>
> > On 1/5/07, Maccy <maccy@xxxxxxx> wrote:
> > > On Fri, 5 Jan 2007, Ho Yin Ng wrote:
> > > > I've been having this problem for the past couple of
years ...
> > > > Doesn't seem like there is anything you can do a part
from change
> your
> > > > domain name! Not helpful I know.
> > >
> > > I hate 'me too' messages, but me too :)
> >
> > Just make sure that you only accept mail to a valid email
address,
> > drop/bounce anything else deals with most of this, no use of a
default
> > address.
>
> The way to stop this permanently is to use one of the sender
> authentication
> techniques such as-
>
> SPF- http://en.wikipedia.org/wiki/Sender_Policy_Framework
> but this limits the ip addresses that you can send from unless used
with
> SRS. Requires a TXT field in the domains DNS entry. If this is used
for
> webmail, your provider should be able to do this. I saw some recent
talk
> that AOL was going to start rejecting email from domains that didn't
have
> an
> SPF record. SPF isn't intended to stop spam, just prove that the
domain
> name
> is used with the senders permission.
>
> DKIM- http://www.dkim.org/
> this is a superset of the protocol used by Yahoo, if you look at any
> message
> from ukha_d you would see something like this-
> > Comment: DomainKeys? See http://antispam.yahoo.com/domainkeys
> > DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=lima;
> d=yahoogroups.com;
>
>
b=rdJZnDxUz0qlyX+VmcyaB78S26sXGaVUnMP1MhkLpRkEP5k38MOIv6kjncqltxSehBwSavaA
> C2
> cQ96Zs1wCL4r9Tu9wrO1EeYBsR4hampfhsGBxucxIcwbv9DrwwshBS;
>
> Bro
>
>
>
>
>
>
>