Airmail allows you to send a previously sent email again. It will help in sending an email with the same content again.
open side bar > sent folder > open email > ... dots > Send again

If the option is not appearing under Actions list please open Airmail settings from sidebar > Actions > Send Again > enable it
Please make sure to confirm the from and to address before sending the email
open side bar > sent folder > open email > ... dots > Send again

If the option is not appearing under Actions list please open Airmail settings from sidebar > Actions > Send Again > enable it
Please make sure to confirm the from and to address before sending the email
Updated on: 09 / 12 / 2019