Which command turns on FWSM traffic authentication from the Internet

Refer to the exhibit. Which command turns on FWSM traffic authentication from the Internet to an
inside-network SMTP server at address 10.1.2.3?

Exhibit:

A.
access-list allow-in extended permitsmtp any host 10.1.2.3

B.
access-list allow-in extended permit tcp any host 10.1.2.3 eq smtp

C.
aaa authentication allow-in extended permit tcp any host 10.1.2.3 eq smtp

D.
aaa authentication match smtp any host 10.1.2.3 server name corpaaaserver