Ubuntu
thunderbird package

  1. Bug #490935
  2. Comment #105

Comment 105 for bug 490935

Revision history for this message
In , Ben-bucksch (ben-bucksch) wrote :

Previous headers should be recorded as "X-Original-<headername>", e.g.:
  X-Original-Subject: Re: How are you?
  Subject: Appointment to discuss Bla project
If X-Original-Foo already exists, it is *not* overwritten.