Fix bug 73085: KMail discloses hidden recipients (BCC) in forwarded email Also remove all private header fields from forwarded messages.
Fix bug 73085: KMail discloses hidden recipients (BCC) in forwarded email
Also remove all private header fields from forwarded messages.

svn path=/trunk/kdepim/; revision=281689

lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi