Rails:如何向包含变音符号的收件人发送电子邮件? [英] Rails: How to send emails to a recipient containing umlauts?

问题描述

我想通过以下设置发送电子邮件

I'ld like to send an email with the following setup

def registration_confirmation(user)
  recipients    user.username + "<" + user.email + ">"
  from          "Netzwerk Muensterland<[e-mail]>"
  subject       "Vielen Dank für Ihre Registrierung"
  body          :user => user
  content_type  "text/html"
end

主题行包含变音符号，效果很好. 日志告诉我，它的编码方式如下:

The subject line contains an umlaut and works fine. The log says me, it was encoded like this:

=?utf-8?Q?Vielen_Dank_f=C3=BCr_Ihre_Registrierung?=

但是，如果user.username包含变音符号，则电子邮件将不会发送.我正在使用Google Apps SMTP服务器.如何为收件人完成这样的编码?

But, if the user.username contains umlauts, the email will not send. I am using a google apps smtp server. How do I accomplish a encoding like this for recipients?

推荐答案

我成功了！有一个名为quote_if_necessary的ActionMailer方法可以解决此类问题.

I made it! There is a ActionMailer method called quote_if_necessary which takes care of this kind of problem.

def registration_confirmation(user)
  recipients    quote_if_necessary(user.username, "utf-8") + "<" + user.email + ">"
  from          quote_if_necessary("Netzwerk Münsterland", "utf-8") + " <[e-mail]>"
  subject       "Vielen Dank für Ihre Registrierung"
  body          :user => user
  content_type  "text/html"
end

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