# ETRN serialization
need_ipv4
#
exim -DSERVER=server -bd -oX PORT_D
****
client 127.0.0.1 PORT_D
??? 220
ehlo rhu.barb
??? 250-
??? 250-
??? 250-
??? 250-
??? 250
ETRN one
??? 250
ETRN one
??? 458
ETRN two
??? 250
+++ 2
ETRN one
??? 250
quit
??? 221
****
killdaemon
