Isabella Jackson, 68, from Buckhaven, Fife, also sent emails "likely to cause fear and alarm" which said US President Barack Obama was "to be killed".
BBC: President Barack Obama
2.
Anderson, unbeaten in 14 fights, admits the fans helped him through a tough 10-round win over Borovski last time out and the Buckhaven boxer insists he will have no problems selling tickets for the biggest fight of his career to date.
BBC: SPORT | Boxing | Anderson will 'excite Scots fans'