https://chromewebstore.google.com/detail/rename-email-subject-by-c/miepnlkmnjdfcnkplikgackpobfmaifb?hl=en
Rename Email Subject by cloudHQ - Chrome Web Store
Rename email subjects for Gmail.
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https://osxdaily.com/2014/05/13/rename-mail-flags-mac-os-x/
How to Rename eMail Flags in Mail App for Mac OS X
May 13, 2014 - How to Rename eMail Flags in Mail App for Mac OS X
app for machow torename email
https://www.rename-email.com/
Rename Email Subjects
We help you stay organized by letting you rename subject headlines of emails you receive
rename emailsubjects