MassMailer Help Center

For deleting records of MassMailer Email Status :

Go to Developer Console --> Write a query for this object i.e

delete[Select id, createddate from sendgrid4sf__SendGrid_Email_Status__c where createddate>=:system.now().addDays(-30) LIMIT 9999];

This query will delete records of last 30 days.

Run the above query multiple times, For example :

1. For deleting 9999 records, run this query 1 times.
2. For deleting 9999*2 records, run this query 2 times and so on.

It will delete the records from MassMailer Email Status.

-30 = Number of days for which you wants to delete the records.

For writing a query in developer console, follow certain Steps :

1. Click on your name i.e. on top right corner ( as shown in Screenshot 1 ).
2. Click on Debug --> then Click on Open Execute Anonymous Window ( as shown in Screenshot 2).
3. A sub window will appear and write the query in that window and then select the query and click on Executed Highlighted. ( as shown in Screenshot 3 ).