AlainMails - Email Marketing Solution
AlainMails is actually a modified version of keila(Opensource Newsletter Tool).
You can use the hosted AlainMails on portal.alainmails.com. You can check out the pricing at alainmails.com/pricing.
You can selfhost AlainMails by using docker image azamaziz/alainmails.
Check out the sample docker-compose file
Checkout config docs.
AlainMails is free and opensource for anyone to use but without any warranty for a particular use.
The AlainMails logo is not included in the licence.