Contact Form 7 + SMTP — a practical guide to Contact Form 7 SMTP with clear examples you can reuse in real projects.
Contact Form 7 Tutorial Series (65/100). Prefer one article? Read the complete Contact Form 7 tutorial.
Short description
Use an SMTP plugin (or custom `phpmailer_init`) with SPF/DKIM-aligned From domains.
SMTP checklist
SMTP plugin configured
From domain authenticated
Test to multiple inboxes
Check spam folder