I will install sendy and integrate with amazon ses

Amazon Simple Email Service (Amazon SES) is a cost-effective email service built on the reliable and scalable infrastructure that Amazon.com developed to serve its own customer base.

Amazon Simple Notification Service (Amazon SNS) is a web service that coordinates and manages the delivery or sending of messages to subscribing endpoints or clients.

No, We do not guarantee 100% inbox delivery because it depends on the reputation of your server IP and domain + emails lists you are going to send out emails to. These factors decide inbox deliverability.

Virtualmin is a control panel for your VPS/EC2 server. It gives a GUI to manage servers. Virtualmin is an open-source software. You can have me install in on your server by adding "Install Virtualmin" extra to your order.

It depends on your use case. If you just want to use Sendy on your server and nothing else, Virtualmin may be useless to you. But if you plan to host other websites, landing pages, email, etc. on the same server, Virtualmin is most usable.

Yes, I'll make sure you can utilize Amazon free tier with my setup, unless you add Install Virtualmin to your order. In that case, you'll get a bill of around $30/mo from AWS for the usage of EC2.

Virtualmin requires at leaset 4GB of RAM to function properly. AWS free tier doesn't offer this much RAM under its EC2 offer. Therefore, this setup is not possible.

No, you need to get Amazon SES production access first. You'll have to send them a request and ask for approval. I'll provide you with a template to use. If your sending complies with their ToS, getting approved isn't a matter of concern.

Sorry, I can't help you.