Zimbra: A network service error has occurred.

screen-shot-2016-06-15-at-3-19-43-pm

List trusted ip
zmprov gcf zimbraHttpThrottleSafeIPs

Add trusted IP
zmprov mcf +zimbraHttpThrottleSafeIPs {Add-Trusted-IP}
zmprov mcf +zimbraHttpThrottleSafeIPs {Add-Trusted-IP2}
zmprov mcf -zimbraHttpThrottleSafeIPs {Delete-Trusted-IP}
zmmailboxdctl restart

Show block IP minutes
zmprov gcf zimbraInvalidLoginFilterDelayInMinBetwnReqBeforeReinstating
zimbraInvalidLoginFilterDelayInMinBetwnReqBeforeReinstating: 15

Show Max failed login
zmprov gcf zimbraInvalidLoginFilterMaxFailedLogin
zimbraInvalidLoginFilterMaxFailedLogin: 10