How are people sending emails from their self hosted apps? I Thought MailSender would be good but i guess not. Im about to try SendPulse now. Why isnt there a service that doesnt care what you do with your emails as long as you only sending max a few emails a day?
I use Fastmail with a specific domain and/or aliases to separate it easily by rules as needed. But I do pay for Fastmail and only send emails to myself so may or may not be applicable to you.