This tool helps you to integrate it with other messaging tools like Slack and Salesforce. It enables you to create and share customized email templates with your team.
Polymail is an email program that provides complete details of how and when people read your emails.
Mailbird allows you to integrate with Facebook, Whatsapp, Dropbox, Google Calendar, etc.This app allows you to customize your layout. It helps you to manage all your emails and contacts with more than one account. Mailbird is a Windows email sending application that can work with Gmail.