ReplyWithHeader

ReplyWithHeader (a.k.a. RWH) is an Apple Mail bundle/plugin that enables quoting of message header and automatic selection of signature while reply or fowward an email. RWH brings Outlook mail header capabilities into Apple Mail.app. Adds missing functionality of headers and signature into Mail.app.

Features

• Completely manages 'Message Attribution' for reply, reply all, and forward
• Typography feature for message attribution (Headers) in-terms of font face, font size, and color
• Plugins brings Outlook header-label options for more readable representation of message attribution
• Provides ability to remove signature while reply, reply all, and forward
• Automatic selection of signature for reply, reply all, and forward email
• Extensive multilingual support
• Ability to add complete raw email headers

• Added support for macOS 10.12.4 Sierra
• Fixed the manage-signature tab on macOS Sierra