Microsoft issued a Press Release where it states that over 20 million fraudulent e-mails blocked daily at Windows Live Hotmail.
Key Results From the Study
• Every day, 20 million forged messages are detected by Sender ID-enabled domains.
• Reputable marketers that have adopted Sender ID have realized improved deliverability, with up to 85 percent fewer messages mistakenly marked as spam in Windows Live Hotmail.
• With spam increasing 40 percent in the past 12 months, spam in Hotmail users' inboxes has actually been reduced by 50 percent; Sender ID contributed 8 percent of that reduction.