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spamblock


Show me everything on Spam and virus protection

DEFINITION - A spamblock is a text segment interjected into an e-mail address to foil a spambot (a program that a spammer uses to troll the Internet seeking e-mail addresses). The idea is that a human will understand the message, and remove the spamblock from the address, while a spambot will simply collect addresses automatically, usually by collecting any uninterrupted text string that includes the @ symbol. In general, it isn't time- or cost-efficient for a spammer to sort through addresses manually to remove spamblock. Most messages sent to an address with a spamblock will be returned to the sender as undeliverable bounce e-mail.

Although any added text -- even a single character -- can render an e-mail address invalid, most often a spamblock is a self-explanatory phrase, such as "NOSPAM" or "Delete_this_sentence." A spamblock should be positioned to the right of the @ symbol, and before the valid domain name, so that the spam is not accepted by your service provider's server, forcing them to deal with the undeliverable mail. The resulting e-mail address might look something like this:
editor@Delete_this_sentence.whatis.com.

To ensure that legitimate correspondents understand what to do, people sometimes add a message instructing the reader to remove the spamblock from their address before sending e-mail. Using a spamblock is sometimes known as munging an address.

Learn more about Spam and virus protection
Securing your Exchange Server 2007 journaling archives: With work, journaling can be used to archive email in Exchange Server 2007. Get an understanding of how to create a tamper-resistant journaling mailbox.
Microsoft Exchange Server security dos and don'ts: Securing Exchange Server against spam and viruses is a challenge. Follow these security practices to protect Exchange from various email security threats.
How to install Forefront Security for Exchange Server: Install Microsoft ForeFront Security for Exchange to use multiple virus scanning engines and better protect servers from new virus signatures and spam.
Block Web beacons and protect OWA users from spam: Microsoft Outlook blocks Web beacons by default; OWA doesn't. Certain Exchange Management Shell filtering commands can protect your OWA users from spam.
Controlling spam in Exchange 2007 at the edge transport server level: There are many ways to control spam and viruses in Exchange 2007. Do you know how they work? Eliminating spam at the right server level is essential.
Securing your Exchange Server 2007 journaling archives: With work, journaling can be used to archive email in Exchange Server 2007. Get an understanding of how to create a tamper-resistant journaling mailbox.
Microsoft Exchange Server security dos and don'ts: Securing Exchange Server against spam and viruses is a challenge. Follow these security practices to protect Exchange from various email security threats.

CONTRIBUTORS: John Araujo, Roshan Qureshi, and Bob Whitney
LAST UPDATED: 21 Mar 2005

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More resources from around the web:
- SearchSecurity provides an excerpt from Kevin Beaver's book "The Definitive Guide to E-mail Management and Security."





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