Is there a convenient solution for sending single emails with a beautiful design?

Question

Email

Mailing services are tailored for mass sending letters and only to subscribers. What to do if you need to send letters from time to time with html templates that are not wholesale?

Answer 1

https://beefree.io
Design, it gives out a code or can send it beautifully to the mail right away. If you forward, make sure that the pictures are either attached or have public access to them.