My WordPress site should email a confirmation link whenever a new user registers, but nothing is arriving—even in spam. I’m using standard plugins only, with WP Mail SMTP managing outbound messages. I need you to: • Diagnose why the confirmation email fails to send. • Apply the fix (whether that’s WP Mail SMTP settings, theme code, or core hooks). • Test the full registration flow end-to-end and confirm the email lands in an inbox. • Provide a brief summary of what you changed so I can keep it working after updates. A quick, clean solution is all I’m after; no bigger overhaul required.