Network, DNS, and Email Infrastructure

WordPress SMTP and Email Routing Debugger

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Diagnoses why WordPress-originated email is failing or landing in spam by walking through the most common SMTP configuration, plugin, and routing problems — so you know exactly where to look and what to change.

Interactive tool Structured result Recommended next steps

Best for

WordPress site owners, WooCommerce store managers, and developers troubleshooting lost order confirmations, contact form failures, password reset emails, or unreliable transactional mail.

Who this tool is for

WordPress site owners, WooCommerce store managers, and developers troubleshooting lost order confirmations, contact form failures, password reset emails, or unreliable transactional mail.

What this tool checks

Whether WordPress is using PHP mail (unreliable) or a properly configured SMTP plugin
SMTP authentication settings — host, port, encryption type, and credential alignment
Plugin conflicts that commonly interfere with mail sending in WordPress
Domain alignment between the WordPress sending address and the SMTP provider account

What you will get

A clear diagnosis of the most likely cause of the email failure
A step-by-step troubleshooting direction specific to your WordPress setup
Plugin and configuration recommendations for fixing the sending path
A reliable transactional mail setup checklist so the problem stays fixed

Run the tool

Enter your details and the tool will return a structured result based on your inputs.

Site URL or project name

Current sending method

Domain alignment health

DKIM for the sending domain

Observed email failures

Logging and troubleshooting visibility

Need implementation help?

Need the WordPress email path fixed end to end?

WordPress email problems often span plugin configuration, domain alignment, SMTP provider rules, and DNS record gaps. If the debugger pointed to a root cause but the fix is unclear, use the contact form to get a complete resolution.