#
exim -DSERVER=server -bd -oX PORT_D
****
-client 127.0.0.1 PORT_D
+client 127.0.0.1 PORT_D 127.0.0.1
??? 220
ehlo rhu.barb
??? 250-
millisleep 500
exim -DSERVER=server -DSUBMISSION_OPTIONS=/domain=a.b.c/sender_retain -bd -oX PORT_D
****
-client 127.0.0.1 PORT_D
+client 127.0.0.1 PORT_D 127.0.0.1
??? 220
ehlo rhu.barb
??? 250-
millisleep 500
exim -DSERVER=server -DSUBMISSION_OPTIONS=/domain=a.b.c/name=SomeName -bd -oX PORT_D
****
-client 127.0.0.1 PORT_D
+client 127.0.0.1 PORT_D 127.0.0.1
??? 220
ehlo rhu.barb
??? 250-