All Google add-ons

Yes, as if right now

It is likely that you have added an email addresses in the CC or BCC field. Remember that the daily email limit is in terms of number of recipients so if you send an email that is also cc’ed to someone, it will decrease your quota by 2.

You could send unlimited emails. You have limited only by daily quota up to 100 recipients per day

Our application is completely free but has limitations set by Google. Gmail users can send emails up to 100 recipients per day while the daily limit for GSuite (Google Workspace) accounts is 1500 recipients per day. For more details Visit and see “Email recipients per day”: https://developers.google.com/apps-script/guides/services/quotas

You could increase your daily quota by creating Google Workspace account. You will require to subscribe to at least “Business Starter” edition. Please visit https://workspace.google.com/intl/en_ie/pricing.html

The Everest Mail Merge works with your Gmail mail only.