mhmail -nosend recipient@example.com -from sender@localhost \
-server 127.0.0.1 -port $localport -body '' >"$actual" 2>"$actual_err"
mhmail -nosend recipient@example.com -from sender@localhost \
-server 127.0.0.1 -port $localport -body '' >"$actual" 2>"$actual_err"