E-mail command (4)
(Other definitions for ends that I've seen before include "Borders" , "Objectives, purposes" , "Extremities" , "Poles, aims" , "deaths" .)
'e-mail command' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for send that I've seen before include "Forward" , "broadcast" , "Transport" , "and 2: Advise" , "Consign" .)