Spammers can be insistent.Logical formLearned from4 sentences. A service may pertain-to a spammer.Logical formLearned from4 sentences. A spammer may send a person.Logical formLearned from4 sentences. Addresses can be constituted-of-or-filled-with spammers.Logical formLearned from4 sentences. Some spammers may use programs.Logical formLearned from4 sentences. Monetary damages can be for spammers.Logical formLearned from4 sentences. Spammers may spoof.Logical formLearned from4 sentences. Spammers may use (return addresses).Logical formLearned from4 sentences. A (mailing list) may pertain-to a spammer.Logical formLearned from4 sentences. Spammers can be manual.Logical formLearned from4 sentences. Databases can be constituted-of-or-filled-with spammers.Logical formLearned from4 sentences. Some spammers may be located.Logical formLearned from4 sentences. Mail can be from spammers.Logical formLearned from4 sentences. An identity may pertain-to a spammer.Logical formLearned from4 sentences. An attack can be against spammers.Logical formLearned from4 sentences.