18 U.S.C. § 1701 : US Code - Section 1701: Obstruction of mails generally

Search 18 U.S.C. § 1701 : US Code - Section 1701: Obstruction of mails generally

Whoever knowingly and willfully obstructs or retards the passage
of the mail, or any carrier or conveyance carrying the mail, shall
be fined under this title or imprisoned not more than six months,
or both.