如何建立Facebook等通知电子邮件/回复系统？ [英] How do I build a notification email/reply system like Facebook?

问题描述

当用户在Facebook上收到关于新私人消息的通知电子邮件时，他们可以回复电子邮件，并将其回复自动添加到该网站上的对话中。

When users receive a notification email about a new private message on Facebook, they can reply to the email and have their response automatically added to the conversation on the site.

如何建立这样的跨平台系统？我正在建立一个团体聊天系统。

How can I build a cross platform system like that? I'm building a group chat system.

推荐答案

这显然是过度简化的，但是我们去：

This is obviously way over-simplified, but here we go:

Facebook的电子邮件的工作方式是使用回复地址中接收者唯一的字符串：

The way Facebook's emails work is by using a string that's unique to the receiver in the reply-to address:

<[e-mail]>

所以当Facebook收到电子邮件到 reply.facebook.com ，他们（大概）在加号之后解析字符串，决定哪个用户/对话是相关的，并将电子邮件的文本添加到对话中。

So when Facebook receive an email into reply.facebook.com, they (presumably) parse the string after the plus sign, decide which user/conversation it's relevant to, and add the text of the email into that conversation.

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