Event Calendar Newsletter allows you to automatically insert your upcoming events into a campaign using the Newsletter plugin, whether the newsletter is automated or manual.
Follow the instructions to save a template then click Saved Templates under Event Calendar Newsletter. If you have Newsletter installed, you’ll see the Newsletter tag listed:
Just copy the tag for your saved template (in this case, {ecn-154}) and paste it into the content of your MailPoet newsletter where you’d like your events to appear:
When you send yourself a preview email, or save a draft then click the View button in the newsletters list, you should see the tag replaced with the actual events from your saved template: