On Thu, 2009-08-06 at 02:02 -0500, Luis Daniel Lucio Quiroz wrote: > Le mercredi 5 août 2009 18:31:04, David B Funk a écrit : > > On Wed, 5 Aug 2009, Luis Daniel Lucio Quiroz wrote: > > > Hi SAs, > > > > > > Well, as far as i am receiving email from my domain to my domain. I dont > > > want to block it because there are about 10% of email that is okay. I'd > > > like to know if there is a plug or a rule for SA to give more grade if > > > email comes from other ip than MX. > > > > > > TIA > > > > > > LD > > > > Assuming you have control over the DNS for your domain, publish an > > SPF record to state which machines/IP-addresses are valid email sources > > for your domain. Then when spammers forge your addresses it will fail > > the SPF tests and SA will automagically add points to those messages. > > (it may also help to reduce back-scatter abuses of your domain). > > > > There are various online tools to create and test SPF records, see: > > > > http://old.openspf.org/wizard.html > > http://www.kitterman.com/spf/validate.html > > > SPF is DKIM or is other technique?
SPF != DKIM # rtfm Martin
