U n ME makes WE...

What is SPAM ?

It is the business model where the individuals send email to millions of people.You might
wonder why i call it business model.The individual sending such mails will usually some advertising or scam mails.

Even if 0.1 percent or less people reply or buy the products advertised the sender recovers his expenditure and it becomes profitable.For example " You've won $500 million,reply to ..." ," buy cool watches cheap " , "buy software for cheap ...."

How does it work ?

It is a multistage process involving in e-mail id harvesting/buying,getting access to SPAM botnet and sending e-mail.E-mail id harvesting/buying is a process of crawling the internet(reading as many web sites as possible) and getting e-mail address from all over.This process is mostly automated.

A spammer either harvests the email ids or buys from other spammers.SPAM botnet are the systems from other spammers.SPAM botnet are the system from which emails will be sent.Usually these are not owned by the spammer but is some system on the internet which was compromised for spamming/phishing puposes.

Then the spammer will send the e-mail through a setup that can send e-mails automatically to the addresses provided.

How to defend yourself from it?

Never reply to SPAM mails.Never click on any links on SPAM mails.Never download any attachments from an unknown sender.Free mail service providers use many technologies like tarpitting,statistical SPAM filtering,SPF,DomainKeys ,etc, on your behalf to keep your inbox SPAM free.In spite of their effort SPAM mails each your inbox.