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2012-09-20最近提及
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自动整理的讨论摘录，保留原始英文。阅读原文了解完整语境。
We've been using letter_opener (https://github.com/ryanb/letter_opener https://github.com/ryanb/letter_opener), which handles the "preview" case very well (opens the rich text and plain emails in separate browser tabs on send).阅读完整讨论