Free Email Spam Blocker

But, if you don't want to spend a lot or any money installing spam blockers of filters, a variety of free spam blockers and free spam filters do exist, while others are available at affordable prices providing you with the best protection against spam and email scams.
Don't use a major national free email provider as your primary address - spammers will often target common usernames on widely-used email domains like hotmail, yahoo, aol, msn, etc.
Free internet services such as deja-news, or internet services with free trial periods such as aol, are favorites of spammers, as it costs nothing to acquire an account with an email address, and to lose the account is meaningless to them.
The RFCs are available for download free of charge from many locations including IETF's own website.
Webmail is a great convenience for many users, because it frees them from always having to use their own private computers to send and receive mail.
There are a number of automated email spam filters available that the end users can freely use in their individual pc.
Spam email can be used to flood a mail server, performs a denial of service (dos) attack, makes the destination server freeze or suffer for low performance.
Anti-spam software is available online, and you can usually download free trials as wells as paid for versions.

free email spam blocker