I was going to say it's unsolicited e-mail from Jewish organizations, but in this context it is a processed meat product made from kosher beef or chicken parts.
Key Dates in History of Product With an Extraordinary Shelf Life
1937: Hormel rolls out its first can of a luncheon meat it calls Spiced Ham. Kenneth Daigneau. An actor and friend of the Hormel family, wins $100 in a contest to name the pink product. The winner combined the "sp" with the "am" and got Spam.
1945: Spam saves the Russian army, or so says Nikita Krushchev in his memoirs. Former British Prime Minister Margaret Thatcher would later refer to Spam as "a wartime delicacy."
1955-57: Spam production goes global as Hormel establishes manufacturing agreements with companies in Ireland, Venezuela, England and Canada. Later, Israel gets a kosher Spam.
1970: Spam debuts on television as a Monty Python's Flying Circus performs a comedy sketch in which the Green Midget Cafe serves up plenty of Spam. Wife: Have you got anything without Spam? Waitress: There's Spam, eggs, sausage and Spam. That's not got much Spam in it.
1986: Hormel sells its 4 billionth can of Spam.
1991: Soldiers sent to the Middle East to liberate Kuwait are spared Spam in their rations, as the U.S. military withholds pork in deference to the religious beliefs of their Persian Gulf hosts.
1998: Hormel changes the Spam can, replacing the image of the fake ham roast with a photo of a Spamburger.
2000: Hormel and the Minnesota State Lottery jointly sponsor a Spam lottery game. "It was one of our biggest games ever," said lottery director George Andersen.
Source: Hormel Foods Corp., Carolyn Wyman.