He asked his mother to send it by registered mail.

他让他妈妈用挂号邮件寄。

《柯林斯英汉双解大词典》

I am writing this e-mail to send my congratulations to you on your victory.

我写这封邮件是为了向你表示祝贺，祝贺你赢得了胜利。

youdao

We can send a gift card by mail if you prefer.

如果您愿意，我们可以邮寄礼品卡。

youdao

Lawmakers in Congress wanted to make it possible to send mail all the way across the United States by land.

VOA: special.2010.04.26

I will use that to post information, maybe once in a while send an e-mail to the whole class.

我会在那上面发布通知,可能隔一段时间就会给全班群发一封邮件

耶鲁公开课 - 基础物理课程节选

And in fact, the trial, which I think somebody could If people out there know about this, please send me an e-mail.

事实上,对此案的审理,如果有人知道这个案情,请发电子邮件告诉我

耶鲁公开课 - 心理学导论课程节选

"Mail you send late night on the weekends may be useful but you may regret it the next morning, " Mail Goggles creator Jon Perlow declared in a description he wrote of the service on the company's labs page.

FORBES: Magazine Article

"One business, one machine" is his mantra, meaning sales are driven by the number of businesses, not the amount of mail they send.

FORBES: Magazine Article

You can program your e-mail to send messages in the wee hours while you're asleep, to give the appearance that you're toiling away at 2 a.m.

FORBES: Magazine Article