support mail templates like in thunderbird

[PhilippSchlesinger]

Checklist

• [X] I have used the search function to see if someone else has already submitted the same feature request.
• [X] I will describe the problem with as much detail as possible.
• [X] This issue only contains a request for one single feature, not multiple (related) features.

App version

6.200

Problem you are trying to solve

I'd like to be able to easlily create new using templates saved in the IMAP template folder.

Suggested solution

When opening a mail in the template folder, use this mail a template for a new mail (like in http://kb.mozillazine.org/Thunderbird_:FAQs:_Using_Templates#Creating_and_using_templates)

Screenshots / Drawings / Technical details

No response

[cketti]

In K-9 Mail you can open any message for viewing then select Send… → Edit as new message from the menu to use the message as a "template".