In most cases, hook code-based E-mail rules serve the same purpose as E-mail rule package-based rules.

在大多数情况下，基于hook的电子邮件规则同基于电子邮件规则包的规则的目的是一样的。

youdao

When you check the mail and find a real letter or package from someone youknow, excitement overtakes you as you tear into this rare gift.

如果查找邮件发现一封来自熟人的真正的信件或包裹，在拆开这份珍贵的礼物时你会感到兴奋不已。

youdao

It tells the user "thanks for your order" and sends e-mail with the package tracking number when the order ships.

它告知用户“谢谢订购”并且当订单传输的时候发送包含该包裹号码的电子邮件。

youdao

As part of the investment package, the Royal Mail will be able to put the money into a special account for the exclusive use of the pension fund - to help reassure pensioners that their savings are safe.

BBC: NEWS | Business | Royal Mail gets ?1.75bn package

One Saturday in November of 1984, James Flynn, a social scientist at the University of Otago, in New Zealand, received a large package in the mail.

NEWYORKER: None of the Above

The first suspect package was intercepted by the Royal Mail in Kirkintilloch, East Dunbartonshire, on 26 March and was addressed to Mr Lennon at Celtic's training ground in nearby Lennoxtown.

BBC: Parcel bombs sent to Neil Lennon, McBride and Godman