# interface selection (v4 vs v6) in outgoing SMTP
need_ipv4
need_ipv6
#
exim -DSERVER=server -bd -oX PORT_D
****
exim user4@h1.test.ex

1
interface: <; ::1 ; HOSTIPV4
****
exim user6@h2.test.ex

2
interface: <; HOSTIPV6 ; HOSTIPV4
****
exim user6@h3.test.ex

3
interface: <; ${if eq{0}{1}{HOSTIPV6}fail}
****
exim user6@h4.test.ex

4
interface: <; ${if eq{0}{1}{HOSTIPV6}{  }}
****
exim user6@h5.test.ex

5
interface: <; ${if 
****
exim -qf
****
killdaemon
no_msglog_check