Address Anti Spam

• Despite the fairly rigorous procedures that most blocklist operators follow for naming addresses or blocks of addresses to their lists, innocent providers addresses are sometimes added.
• Real-time Block List (RBL): This differs from a block list in that it actively boycotts TCP/IP addresses known to send spam or host spammers.
• Enabling such a list results in all mail from those addresses being refused, including valid email.
• " When analyzing header information, pay special attention to the "from" and "reply to" addresses.
• Are they the same? Is the "reply to" address the same as the organization the email claims to be from? If not, this is a warning sign of spam.
• If this email address sarts receiving too much spam you can stop using it and set up another one for the express purpose of giving your emial address to sources you are not sure you can trust.
• The first known email spam was sent by dec salesman Gary Tuerk on May 3, 1978 when he sent a sales pitch to 400 email addresses which were hand-typed into the computer.
• You can sometimes track spammers to particular ip addresses that they use (for sending mail or for maintaining websites); you can then use whois lookups to determine the owners of the netblocks in which these addresses appear, and then report the abuse to these parties, or to the upstream provider responsible for having sold the block.
• Reporting spam websites usually requires you to find their authoritative addresses (the IP address returned by an authoritative name server for a given host name or alias), since spammers can use various tricks to confuse matters.
• A spam trap is an email address set up by a spam fighter to capture unsolicited email ads for the purpose of tracking spammers.

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