Electronic junk mail (4)
I believe the answer is:
spam
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">electronic junk mail</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for spam that I've seen before include "Food" , "Uninvited email" , "Computer junk mail" , "Tinned meat made largely from pork" , "unwanted delivery" .)