Evict the Spammers from Your Inbox
Block Spam and Other Email Threats From Entering Your Gateway
Spam, commonly defined as unsolicited commercial email, is a
powerful advertising channel for many products and services. As
a result, spamming has become a profitable business, driven by
the low cost of sending email compared to other direct marketing
techniques. The high return on investment for spammers has
resulted in an overwhelming volume of unwanted messages in
personal and business email boxes. Consider this: Conducting a
direct mail campaign costs an average of $1.39 per person,
meaning that a response rate of 1 in 14 is necessary just to
break even on a product with a $20 gross profit. Selling the
same item via unsolicited spam email costs only $0.0004 per
person, meaning that a response rate of 1 in 50,000 gets the
seller back to break-even; anything above that is gravy. With
profit margins like these, it