To send a mass email from Zoho CRM

1.  create a template in setup/templates

2.  create a view of contacts you would like to send an email to

3.  select the list of contacts you would like to send an email to

4.  select send email

5.  select the template you would like to send the email to

6.  send the email immediately or schedule a time

for a video on how to do this view here https://youtu.be/Lcjil22WUks