Update email.php

Created by: scoid

glitches in the translation because of the different use of syntax in German sentences: For me it is better to see this in the context of the application, to make suggestions.

"asks to become" => "demande à devenir", "asks to become" => "möchte ... werden",

"you can visit" => "vous pouvez visiter", "you can visit" => "Sie können sich ... ansehen",

"In order to validate this user as" => "Afin de valider cet utilisateur comme", "In order to validate this user as" => "Um diesen Benutzer als ... zu bestätigen",