Spamhaus is a non-profit spam fighting group which lists different variables related to Spamming. Spamhaus claims that some of the named ISPs are selling space for professional spammers for a chunk of money. Surprisingly, Microsoft stands number 5 in the list of worst SPAM service provider ! > Top 10 Worst SPAM service ISP's > Top 10 Worst Spam origin … [Read more...] about Microsoft No.5 Spam Friendly Internet Service Provider.