How to organize the mailing of letters?

Question

css

The situation is as follows: when registering, the user selects the category in which he will work. When creating a new order for this category, should the user be notified of a new order in the category of their choice?
What is the correct way to write this in rails?

Answer 1

guides.rubyonrails.org/action_mailer_basics.html
https://robots.thoughtbot.com/how-to-send-transact...
https://www.mandrill.com
It's pretty simple.
We make Mailer, connect to the mandrill and send mail via smtp.
Mandrill, as far as I remember, can be used for free.
A definite plus - cheap, fast and cheerful.

Answer 2

It's a pity for Mandrill, of course, it was very convenient.