We all delete mail accidentally.

我们都会不小心删除邮件。

youdao

Can only delete mail folders.

只能删除邮件夹。

youdao

Gmail: Gmail is an experiment in a new kind of webmail, built on the idea that you should never have to delete mail and you should always be able to find the message you want.

Gmail是一种实验性质的网络电子邮件，创建它的目的在于可以让你永远没有必要删除邮件，并且总是可以找到你想找到的邮件。

youdao

It can't delete mail from the inbound server, either, but it can display Word and Excel attachments with the help of cut-down versions of the programs included in the package.

FORBES: Magazine Article

Mr Afzal adds that ISPs often delete e-mail data after 30 days.

ECONOMIST: The internet allows the malicious to menace their victims

It turned out later that Mann did e-mail Wahl, who did delete the e-mails.

FORBES: ClimateGate Star Michael Mann Courts Legal Disaster