Be sure that you are dealing with someone that you and your parents know and trust before giving out any personal information about yourself via E-mail.

在通过电子邮件提供自己的个人资料之前，一定要确保你与之打交道的是你本人和父母都认识并且信任的人。

youdao

Beware of fools disease (i. e. Waiting for trades that you are sure are 100 PCT profitable.) it is better never to let yourself believe that you are 100 PCT sure of anything.

警惕愚人病(也就是等待那些你百分之百肯定会赢利的交易)。你最好别让你自己相信你能对任何一件事百分之百地肯定。

youdao

The spokeswoman says if you get an e-mail you are not sure about, forward it or send a separate message to ContactETS@ets.org.

VOA: special.2010.02.18

And while you are taking steps to secure your e-mail, you would be well-advised to make sure your WiFi connection is secure.

CNN: Bush email hacking a wake up call

First, make sure your e-mails are going to people who are already interested in what you have to say.

FORBES: Magazine Article