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Security Limit
Connection number Limit The max number of client connection allowed by MTA.
Normailly, the limit is set to half of default process limit value.
Set 0 to disable this feature.
Connection Rate Limit The max nubmer of connection in unit time allowed by MTA.
The unit time is 60 seconds.
Set 0 to disable this feature.
Soft Error Limit: Defer The max errors before sending messages by client in session. When more errors be occured, all answer is defered by MTA.
Soft Error Limit: Disconnect The max errors before sending messages by client in session. When more errors be occured, the session is disconnected by MTA.