Creates a new email in reply to self. Sets the In-Reply-To and References headers for you automagically.

Example:

mail = TMail::Mail.load("my_email")
reply_email = mail.create_reply
reply_email.class         #=> TMail::Mail
reply_email.references  #=> ["<d3b8cf8e49f04480850c28713a1f473e@lindsaar.net>"]
reply_email.in_reply_to #=> ["<d3b8cf8e49f04480850c28713a1f473e@lindsaar.net>"]

Source Code

# File action_mailer/vendor/tmail-1.2.2/tmail/interface.rb, line 1069
def create_reply
  setup_reply create_empty_mail()
end