# disable_ipv6
need_ipv4
need_ipv6
#
exim -d-all+dns -bt dnslookup@mx46.test.ex \
     manualroute@test.ex \
     dnslookup@v6.test.ex 
****
2
exim -DD6=disable_ipv6 -d-all+dns -bt dnslookup@mx46.test.ex \
     manualroute@test.ex \
     dnslookup@v6.test.ex 
****
exim -DSERVER=server -bd -oX PORT_D
****
client HOSTIPV6 PORT_D
??? 220
quit
??? 221
****
killdaemon
exim -DSERVER=server -DD6=disable_ipv6 -bd -oX PORT_D
****
85
client HOSTIPV6 PORT_D
****
killdaemon