Normally, you'll want to configure the server's options, including the server address, port variety, security protocols, and authentication solutions. You may also ought to configure DNS configurations and firewall procedures to be sure appropriate email shipping. It’s not pictured, but the CTA at the bottom on the email, labeled https://www.upwork.com/services/product/development-it-email-deliverability-inbox-reduce-spam-dns-issues-fixed-dkim-spf-dmarc-1378055073774727168?ref=project_share&tier=0