Government’s liability in connection with postal packets

Except as provided in sections 10 and 11 of this Act, no proceedings in tort shall lie against the Government for anything done or omitted to be done in relation to a postal packet by any person while employed as a servant or agent of the Government, or for anything done or omitted to be done in relation to a telephonic communication by any person while so employed, and no officer of the Government shall be subject, except at the suit of the Government, to any liability for any of the matters aforesaid.