If you regret sending a message, Mailbutler's Undo Send feature lets you easily recall it by delaying the sending of all emails for 10 seconds.
Mailbutler’s Notes feature helps you to easily create important notes and attach them to your emails so you won’t lose sight of important information.
Mailbutler lets you make professional email signatures that you and your team can easily insert to outgoing emails from Apple Mail, Outlook and Gmail. No HTML coding is required.
Sending emails has never been easier and faster, with Mailbutler's Message Templates.
With Mailbutler's Open Tracking feature you get notified when your emails have been read.
With the Mailbutler Contacts feature, you can see detailed information about the email activity of your recipients, and optimize your communication timing.
The answer is simple, as many as you want.