Extra letters or phases inserted into a real email
address to prevent an address harvester
from using it. The extra ballast
should be easy for a person to spot, but difficult for even a smart address harvester
to deal with.
It's useful when posting on newsgroups, bulletin boards of any sort, or web pages.
"email@example.com" could become "markSPAMwilliamMONGERINGforest@deadseagullsBASTARDS.com"
Of course, spam armor is only necessary when you actually need a response. At all other times, use "firstname.lastname@example.org"