spam firewall

Spam Firewall

Some anti-spam software can send greylisted addresses an automated response, challenging the sender to confirm their legitimacy.
Spammers often extract email addresses from newsgroups, so many people have stop using usenet or hide their email when posting.
Certain spammers like to use webmail whose services vary widely in how they document the transaction in the smtp mail header, and it can be difficult to trace webmail messages back from the webmail service to the host from which the webmail service was accessed.
Spamming Flooding: flooding netnews or email with tons of useless garbage, thus reducing the signal-to-noise ratio and driving people nuts.
A good spam filter software program will allow you to set up features regarding desired email, including which messages to accept and reject (white and black lists), as well as which to organize into folders.
Spammers use http in conjunction with their html-format e-mails for a variety of purposes.
A spam blocker is generally easy to install and does not require further configuration.
Because it deletes spam, it minimizes the amount of time spent dealing with unwanted email and also reduces the risk of a virus infecting your computer.
Various anti spam softwares and solutions always suggest you make sure that you share your email id with only those people you know well.
Many systems disable address verification completely to prevent spammers from harvesting email addresses.

Spam Firewall