Harvest Attack Zimbra

• Many systems disable address verification completely to prevent spammers from harvesting email addresses.
• Spambait: bogus e-mail addresses deliberately planted on a website with the expectation that a spambot will harvest them and thereby pollute its output.
• A Directory Harvest Attack (DHA) is when a spammer bombards a domain with thousands of generated email addresses in an attempt to collect valid email addresses from an organisation.
• Spammers send out emails to websites that they find, after collecting (called 'harvesting') emails from the web site.
• An address harvester is a program that searches web pages and message posts looking for valid email addresses to be used for spam purposes.
• A program that a spammer uses to collect ("scrape" or "harvest") e-mail addresses from websites, usenet news groups, etc.
• Email Harvesting: the process of scanning the internet to identify email addresses in order to create lists for spamming.
• Also, when email recipients use html or javascript to obscure mailto links and email addresses so that addresses remain readable and clickable, but cannot be harvested.
• )Spammers have automated systems that harvest email addresses that are publicly listed on the net.
• Spambait is fake e-mail addresses placed on a website with the expectation that a spambot will harvest them and hopefully ruin its output.
• A Teergrube (or tarpit) is an intentionally slow server that aims to trap spammers using harvesting programs.
• Some website operators deploy spam traps in locations where they are likely to be seen only by spambots or harvesters.

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