+#
+#
+# Repeat without pipelining, just as a baseline check.
+# The optimisation, that does another message attempt immediately on the open
+# connection, is only there for the pipelined case at present. So we must
+# kick the message three times for three separate connections.
+# (A possible enhancement, if anyone cares. "first_addr" in
+# smtp_deliver/sync_responses is the key).
+#
+exim -odq -t
+To: A@test.ex,B@test.ex,C@test.ex,D@test.ex,E@test.ex,F@test.ex
+
+Testing
+****
+exim -DHAP=hosts_avoid_pipelining=127.0.0.1 -M $msg1
+****
+exim -DHAP=hosts_avoid_pipelining=127.0.0.1 -M $msg1
+****
+exim -DHAP=hosts_avoid_pipelining=127.0.0.1 -M $msg1
+****
+#
+#