Which network service or protocol is used by sendmail for RBLs (Realtime Blackhole Lists)?
A.
RBLP
B.
SMTP
C.
FTP
D.
HTTP
E.
DNS
Which network service or protocol is used by sendmail for RBLs (Realtime Blackhole Lists)?
Which network service or protocol is used by sendmail for RBLs (Realtime Blackhole Lists)?
A.
RBLP
B.
SMTP
C.
FTP
D.
HTTP
E.
DNS
E. is the correct answer
RBLs are also called DNS-based Blackhole Lists (DNSBL)