Sending letters by email or post mail is not very effective, so the school relies on contacting them through the phone or home visits.

而通过信件或电子邮件与父母联系也并非很有效，所以学校主要通过电话和家访与家长联系。

youdao

The post office has promised to resume first class mail delivery to the area on Friday.

邮局已承诺在星期五恢复该地区第一类邮件的递送。

《柯林斯英汉双解大词典》

The post office got behind in delivering Christmas mail.

邮局没有及时发送圣诞节邮件。

youdao

The Postal Service also wants to shut down some post offices and cut back on funding health care for retired mail carriers.

VOA: standard.2010.04.13

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

The Sunday Mail, the Sunday Post and Scotland on Sunday all saw their sales drop below key milestones: The Sunday Mail's circulation fell below 300, 000, the Post's below 250, 000 and Scotland on Sunday's below 40, 000.

BBC: Scottish newspaper see sales slump

If you mail a payment, drop the bill off at the post office or a secured mail box rather than tossing it in the outgoing office mail.

FORBES: Seven Ways To Foil ID Thieves

Even the U.S. Postal Service closed post offices and suspended mail delivery Saturday in New England.

WSJ: Storm Sweeps Through Northeast U.S.