The real culprits are the spammers.

真正的罪魁祸首是群发垃圾邮件的人。

《柯林斯英汉双解大词典》

Ants keep predatory insects away from where their aphids feed; Gmail keeps the spammers out of our inboxes.

蚂蚁让食肉昆虫远离蚜虫的觅食处；Gmail 使垃圾邮件发送人远离我们的收件箱。

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Spammers also need lots of addresses to evade the filters.

垃圾邮件制作者们同样需要很多地址来躲避过滤器。

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The only real solution, most anti-spam advocates agree, is to remove spammers' financial incentive.

FORBES: The Spam Bust That Wasn't

Detecting all automated behavior could force spammers to replace cheap software with relatively expensive humans.

FORBES: Magazine Article

Wherever decent people gather, the spammers, shysters, scammers and phishers are sure to follow.

FORBES: And so it begins: Spam Texting