邮件正文写完了，落款怎么写？
如果收件人是你很尊敬的或不熟悉的人，且邮件内容比较严肃的话，就要用比较正式的落款。
最常用的：
- Sincerely：诚挚地；谨上
- Sincerely yours
别忘了落款后要加逗号，然后再换行写上自己的名字。
除sincerely外，还有两个副词也可以作落款：
- Graciously：和蔼地、仁慈地、优雅地
- Faithfully：忠诚地
作者：开言英语
链接：https://zhuanlan.zhihu.com/p/67306989
来源：知乎
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Best or Best Wishes Casual or Business casual. A polite way to end the letter. Can be used between friends or strangers.
Sincerely or Sincerely Yours or Yours Sincerely Casual, Business casual or Formal. The standard letter ending. 'Sincerely' is the most versatile ending because it can be used to end either casual or formal correspondence. If you're unsure about how to sign your letter, use 'Sincerely'
Regards or Best Regards Business casual or formal. You would use this if the recipient is someone you haven't met in real life.
Cordially Formal. Used in business correspondence when the topic of the letter is serious. Sometimes used if there is a conflict between the sender and the recipient.
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Using an ending that is too casual for the situation may not always be inappropriate. Conversely, using a casual ending can show your self-confidence. But to do this requires you to gauge whether the recipient would like a more casual conversation.
