Tension Software (www.tensionsoftware.com) has updated AutoMailer, its personalized email app for the Mac, to version 2.6. 

AutoMailer allows you to prepare and send personalized emails to multiple unlimited addresses, in text or web format, each merged with data from an internal database. All this can be done in a single click. Version 2.6 offers improved information about emails sending, sent and remaining to send  emails, estimation time to finish.

AutoMailer 2.6 requires macOS 10.10 or higher. It costs $50 and is available at the Tension Software website and the Mac App Store.