For vulnerability CVE-2020-0688, is it good enough to perform following task to keep our environment safe

Disable Edge Server SMB v1.0
·         Install patch (Rollup 30 for Exchange Server 2010 SP3 (KB4536989))
 
Our server environment:
Exchange 2010.
 
Vulnerability:
https://www.zdnet.com/article/multiple-nation-state-groups-are-hacking-microsoft-exchange-servers/
 
Action:
https://borncity.com/win/2020/02/28/attack-to-unpatched-exchange-servers-cve-2020-0688/
https://support.microsoft.com/en-us/help/4536989/security-update-for-exchange-server-2010