According to Sparkpost:
The world’s most powerful email delivery solution is now yours in a developer-friendly, quick to set up cloud service. Open a SparkPost account today and send up to 100,000 emails per month for free.
Simply said, Sparkpost will help you deliver emails sent through Clooud (Sign Up - Welcome emails, new comment posted emails, new media by someone you follow - email, etc.) and make sure they do not end up in the recipient's spam folder.
I highly recommend signing up for the service, which is free. You can sign up here:
https://app.sparkpost.com/join?plan=free1&sfdcid=7016000000198J1&src=SP-Website
Once you are signed up there are a few steps you need to follow:
Once you managed to receive your API key, go into your Clooud's Admin Panel and enter it in your settings. Make sure that you have appropriate emails set up as well and your emails will get sent and most importantly, they will get delivered as well!
In case you do run into any troubles working with Sparkpost, do not hesitate contacting us via email at [email protected] or via a message on the marketplace. We would love to help you out!