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SpamAssassin by Alistair McDonald

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Trojan Software

A large quantity of spam is now sent from standard PCs infected with spamming software. This software sends out spam emails under control of the spammer, without the PC user's knowledge or consent. Such software can also collect email addresses from the user's contact list, and also their incoming and outgoing email archive. Anti-virus and anti-malware software can detect Trojans.

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