The Exchequer Support team have produced a short help video which explains:

Emailing
via MAPI and SMTP 

  1. How to set up Exchequer to send emails
  2. What are MAPI and SMTP?
  3. How to troubleshoot some common issues when emailing from Exchequer
  4. The changes to settings for SMTP authentication in Exchequer 12.1.0

If you need any further support, please contact us on 01707 607100 or get in touch.