You can easily measure the performance of your emails with accurate and detailed statistics.you can track email opens, click - though , bouches, spams, unsubscribes etc.
You can save and edit email templates on salesforce using MassMailer. By monitoring the performance of your email templates, you can optimize your already used email templates for better performance and not having to recreate the template each time.
Be limitless! You can send unlimited emails from Salesforce using MassMailer. You can send emails beyond daily batch limits.
User our native Salesforce Developer APIs to extend the functionality of MassMailer. For example you can trigger transactional emails with custom coding using our APIs.
Click here to view our Developer APIs