An email client with support for list mailing and templates (insertion of full name, position), except for Bat?

Question

Mail client

In addition to Bat, what is the mail client for mailing to the list using a template. I need to insert my full name and position in the subject, and I need to send it from my address.
The program is preferably free.

Answer 1

In Thunderbird, you can create letter templates with variables.