You’ve finished developing your first Node.js web app and now you want to publish it on the web. This guide will walk you through how to deploy a Node.js web app to DigitalOcean. Note: If you’re still in the development process, then you may find my Node.js guide helpful.
With the popularity of Office 365 and GSuite, it can seem that creating a business email is as simple as signing up for an account and paying the annual or monthly fee.
However, because of spam and fraudulent email protection, if you want your emails to appear in your recipients' inboxes, then there are several other steps that you need to go through, including configuring SPF (Sender Policy Framework), DKIM (DomainKeys Identified Mail) and DMARC (Domain Message Authentication Reporting).