从linux终端发送邮件一行 [英] send mail from linux terminal in one line
问题描述
我知道linux中有命令 mail 通过命令行发送电子邮件。如何从终端发送一条简单的电子邮件？
I know there is the command mail in linux to send emails via command line. How can I send an simple email with one line from the terminal though?
例如：
mail user@gmail.com [subject] [body]
发送电子邮件没有任何确认或提示给用户？
And have the email sent without any confirmation or prompts to the user?
原因是，当在 java 程序中发生特定事件时，我想通过电子邮件向我发送简短的消息。这个想法是，我将使用 Runtime.getRuntime（） ...等从邮件命令从我的 java 程序。
The reason is, I want to send a brief message via email to myself when a specific event happens in a java program. The idea is that I will use Runtime.getRuntime()… etc. to send the mail command from my java program.
我使用 cron 在过去做类似的事情，但是当前的实现不使用 cron ，所以我需要尝试这个。
I used cron to do something similar in the past, but the current implementation doesn't use cron, so I need to try this out instead.
推荐答案
可以在linux系统上代表相当多的程序。您要背后的是 sendmail 或后缀。我推荐后者。
mail can represent quite a couple of programs on a linux system. What you want behind it is either sendmail or postfix. I recommend the latter.
您可以通过您最喜欢的软件包管理器进行安装。那么你必须配置它，一旦你这样做，你可以发送这样的电子邮件：
You can install it via your favorite package manager. Then you have to configure it, and once you have done that, you can send email like this:
echo "My message" | mail -s subject user@gmail.com
有关详细信息，请参阅手册。
See the manual for more information.
就配置后缀而言，互联网上有很多关于如何做的文章。
除非您在具有注册域名的公共服务器上，否则您通常希望将电子邮件转发到可以从中发送电子邮件的SMTP服务器。
As far as configuring postfix goes, there's plenty of articles on the internet on how to do it. Unless you're on a public server with a registered domain, you generally want to forward the email to a SMTP server that you can send email from.
例如，对于Gmail，请按照
http://rtcamp.com/tutorials/linux/ ubuntu-postfix-gmail-smtp /
或任何其他类似的教程。
For gmail, for example, follow http://rtcamp.com/tutorials/linux/ubuntu-postfix-gmail-smtp/ or any other similar tutorial.
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