Email folder (4)
I believe the answer is:
sent
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">email folder</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for sent that I've seen before include "charged with emotion?" , "Thrilled" , "Noiseless" , "Caused to go somewhere" , "Despatched" .)