Symptoms:

   Email notification sending a lot of notifications.    

Cause:

   no filtering options for Email notification     

Solution:

Many monitoring applications are supporting "RESTful APIs" for monitoring servers

A more reliable monitoring method over SNMP will be to be use the below example Zerto RESTful APIs:
-------------------------------------------------------
Purpose: information for all alerts
Method: GET
URL: https://zvm_ip:port/v1/alerts
-------------------------------------------------------

For more about the Zerto API please see the below:
http://s3.amazonaws.com/zertodownload_docs/Latest/Zerto%20Virtual%20Replication%20RESTful%20APIs.pdf?cb=1571952884