Rated 5 out of 5 stars

per Robin el oct. 6, 2011 ·

This add-on seems to do what it's claimed to. This should have been an integral part of Thunderbird from the off. Well done to the author.

The only thing missing is swap case (useful for those CAPS LOCK moments!)

This review is for a previous version of the add-on (1.5). 

per Joshua Pack (desenvolupador) a des. 18, 2012 ·

You can try out the 2.5 version here with tOGGLE cASE: https://addons.mozilla.org/en-US/thunderbird/addon/titlecase-for-thunderbird/versions/