exim -bd -DSERVER=server -oX PORT_D
****
#
-# non-prox plain receive
+### non-prox plain receive
client 127.0.0.1 PORT_D
??? 220
HELO clientname
??? 221
****
#
-# protocol v1 plain receive
+### protocol v1 plain receive
client HOSTIPV4 PORT_D
PROXY TCP4 127.0.0.2 127.42.42.42 64000 25
??? 220
#
#
#
-# protocol v2 plain receive
+### protocol v2 plain receive
client HOSTIPV4 PORT_D
>>> \x0D\x0A\x0D\x0A\x00\x0D\x0A\x51\x55\x49\x54\x0A\x21\x11\x00\x0c\x7f\x00\x00\x02\x7f\x2a\x2a\x2a\xc2\x95\x04\x01
??? 220
#
#
#
+### proxy timeout
+client HOSTIPV4 PORT_D
+??? 220
+PROXY TCP4 127.0.0.2 127.42.42.42 64000 25
+??? 503
+QUIT
+??? 221
+****
killdaemon
no_msglog_check