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SigPro (was SignatureProfiler) is a plugin for Apple's Mail application that adds missing features from the way that signatures are handled and managed with your outgoing mail messages, especially if you have multiple mail accounts (and who doesn't these days). It was originally written to make up for the complete lack of signature management in versions 1.x of the program, but even 2.x is still missing some capabilities if you use several different accounts and want to share signatures between accounts.

What's New

Version 2.1.3:
  • Fixed: Ensure that the min size of the prefs window is never more than 90% of the current screen size.
  • Fixed: Fix issue where sometimes the context menu would not display the SigPro Replace items.
  • Fixed: Fix issue where the alt description was not being set in images using the Image w/URL tag.


  • OS X 10.11.6 or later
  • Apple Mail

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SigPro User Discussion

3.8 8


Current Version (2.x)


Downloads 19,736
Version Downloads 110
License Shareware
Date 25 Apr 2018
Platform Intel 64 / OS X
Price $25.00
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