If another user sends an email to the same address as you, they get your note, and you get theirs, in addition to each receiving the email addresses both of you sent your Invisible note's from.

如果有另一个用户将一封邮件发至你先发的那个地址，那么那个人就会获得你发的那封信，你也可以获得他发的那封信。并且，你们两人可以获得对方的邮箱地址。

youdao

In other words, if you have 700 customers who live in San Jose or zip code 10011, and each gave you two e-mail addresses, you'd get a list of 1400 email elements returned.

换句话说，如果有 700 个居住在圣河塞或邮政编码为 10011 的地区的客户，并且每个客户提供了两个电子邮件地址，那么返回的结果是 1400 个 email 元素组成的列表。

youdao

If the teachers use email, be sure to get their addresses.

如果老师用的是电邮，那你一定确保记下老师的邮箱地址。

youdao

For example, in a standard phishing operation, an organized crime group might commission the creation of a scam web page and contact a secondary broker to get a list of thousands of email addresses.

FORBES: The Rise of Crime-Sourcing

It also sent an anonymized version of email addresses to a firm that says it uses them to help businesses get information about customers in their email lists.

WSJ: They Know What You're Shopping For