> Blocks spam in 4 steps
- Provides 4-step blocking and 5 automatic security filter rules to block infiltrating malicious mail such as spam in real time.
1) Connection step : Provides 5 kinds of blocking method when connected.
① Blocks RBL (Real-time BlackListed IP-sent mail)
② Blocks specific IP
③ Limits the number of connections hourly
④ Blocks the probability of an IP without a history
⑤ Limits number of malicious emails’ outbound
2) SMTP step : Provides 6 ways to block mail protocol.
① DNS(Domain Name System) check
② SPF(Sender Policy Framework) check
③ Blocks sender and receiver.
④ Limits sender and receiver hourly.
⑤ Limits the maximum number of receivers.
⑥ Limits number of sender authentication.
3) Contents step
- Provides blocking method of mail contents (5 types of automatic security filter rules).
- Administrator can register various filter conditions directly.
① Pattern filter
② Artificial intelligence filter
③ Spam fingerprint filter
④ Real-time pattern filter
⑤ Virus filter
4) APT step : Blocks through SandBox’s behavior-based technology and history learning.