Zimbra webmail showing error" A network service error has occurred"

Since Zimbra v 8.5:

If you see this error "A network service error has occurred" when trying to login to Zimbra webmail ot Zimbra Admin, your home or office IP address has been blocked or throttled for

  • too many logins per IP
  • too many failed logins per IP

Please check your IP Address from the computer having trouble connecting to our server:

And we will unblock it for you.
If you are seing any error messages from one of the devices you are using to check your email, please fix it ASAP by entering the correct password for your account
or from a device you don't use anymore for checking mail, remove the account from the device Mail App.

If you don't do that, our firewall will detect those repeated failed logins as an attack and your IP address will be blocked again.


Properties ID: 000529   Views: 146   Updated: 3 months ago