Programming Tutorials

  Nothing erodes business credibility faster than a "Check your spam folder" disclaimer during a client call. If you are hosting on HostGator and your transactional emails, invoices, or newsletters are consistently flagged as junk, the issue is rarely the content of your email. The problem lies in the technical handshake between HostGator’s outgoing mail servers and the recipient's inbox (Gmail, Outlook, Yahoo). Default shared hosting configurations often fail to align the "Envelope Sender" with your domain identity. This guide provides a rigorous, root-cause analysis of why this failure occurs on HostGator's infrastructure and details the exact DNS configuration required to authenticate your emails via SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail). The Root Cause: Shared IP Reputation and Relay Architecture To fix email deliverability, you must understand the path your email travels. When you click "Send" via a HostGator host...