Sounder mailing list - reply if you want it back

[Jordon Bedwell]

On 6/5/2011 8:31 AM, Harry Strongburg wrote:
> On Sun, Jun 05, 2011 at 01:56:53PM +0100, Alan Pope wrote:
>> I did NOT send this mail.
> 
> Then perhaps you should look into setting a proper SPF record on your 
> domain <http://www.openspf.org/>. After doing so, any properly 
> configured mailing list software will automatically decline the mail, if 
> the sender IP was not on your SPF whitelist.

Something like "v=spf1 a:domain.tld/20 ~all" should work quite well.