Latest articles from Best Web Hosting - Web Site Hosting - Web Hosting Reviews (http://www.bestwebhostingoffers.com) http://www.bestwebhostingoffers.com 2012-02-08T18:53:06+01:00 text/html 2007-12-18T22:51:28+01:00 http://www.bestwebhostingoffers.com http://www.bestwebhostingoffers.com/sender-policy-framework-spf-a250.html Spam is a real problem today. Forged email is a big part of the spam problem. Have you ever received a spam email from yourself? How many times have you received an email you know to be spam from someone only to find out it came from an invalid email address? When you try to block the email by choosing block sender, the spammer simply changes the email address to another variation and gets through the block. Until recently, there wasn't much you could do about it. Now there is.