I don't know how to send spam.

我不知道如何送邮件。

youdao

Get it in writing that they agree not to send spam about your products.

获得书面同意，他们不会派遣滥发你的产品。

youdao

Stop spam robots from extracting E-mail addresses from your pages that hackers could use to send spam e-mails.

阻止发送垃圾邮件的机器从您的页面中提取电子邮件地址，黑客可能会使用这些地址发送垃圾邮件。

youdao

All around the world, tens of millions of computers under the control of cybercriminals, and, unknown to their owners, are used to send spam, distribute malware, and carry out identity theft.

FORBES: Kill a Zombie Day -- Will You Join The Fight?

Hi-tech criminals use botnets to send out spam, phishing e-mails and launch attacks on websites.

BBC: Two million US PCs recruited to botnets

Botnets are often used to mount distributed denial of service (DDoS) attacks - forcing websites offline - to run spyware or to send out spam emails.

BBC: Skype targeted by 'worm' malware infecting Windows PCs