Definitions for "Dictionary attack"
A program that bombards a mail server with millions of alphabetically generated email addresses in the hope that some addresses will be guessed correctly. This technique is also used to crack passwords.
A form of attack in which an attacker uses a large set of likely combinations to guess a secret.
The attacker uses a huge list of words mainly from a dictionary in order to discover passwords.
Keywords:  spammer, spam, fairy, thousands, random
an attempt by a spammer (in this case, The Lead Fairy ) to get a spam message to as many people in your organization as possible
a spamming technique where spammers submit thousands or millions of email messages with random addresses