Spammers Most Likely Users Of E-Mail Authentication (TechWeb)

Spammers Most Likely Users Of E-Mail Authentication (TechWeb)

A small amount of the SPAM that's getting thru to me passes SPF. So far all of it has been sent thru big Mail Service Providers like Hotmail. A Spammer get's a hotmail account, sends spam and hotmail's outgoing mail server matches it's SPF record.

If Spammers are creating SPF records for their zombies, it's not getting to me thru MX Logic's servers, unless they decide to run an open relay. If Spammers are forced to use SPF or other sender authentication, they will be quickly added to lists of Spamming domains.

SPF is working!

Steve