Which of the following routing components is used for sending messages to other SMTP hosts?()
A、Routing group
B、Send connector
C、DNS
D、Delivery agent
A、Routing group
B、Send connector
C、DNS
D、Delivery agent
A、cat /proc/usr/lparchk B、cat /proc/ppc64/lparcfg C、/var/adm/tools/res_list D、/var/adm/tools/lparalloc