Mozilla Thunderbird 45.1.0

[baziroll]

Version 45.3.0, first offered to Release channel users on August 30, 2016
What’s New

• Fixed
  Certain messages caused corruption of the drafts summary database.
  
• Fixed
  "edit as new message" on a received message pre-filled the sender as the composing identity.
  
• Fixed
  Disposition-Notification-To could not be used in mail.compose.other.header
  
• Fixed
  Various security fixes