Mesh SMTP

Mesh SMTP helps route WordPress emails through an SMTP server for better deliverability and reliability.

It is built for site owners, agencies, and developers who want a lightweight SMTP plugin with a simple and modern admin interface.

Version 1.4.0 adds a guided four-step setup wizard, safe export/import tools for reusable SMTP settings, clearer provider guidance, and a more polished admin experience.

Features

• Guided four-step setup wizard for choosing a provider, saving SMTP credentials, sending a test email, and finishing with a quick confirmation
• Simple SMTP configuration for host, port, encryption, username, password, From Email, and From Name
• Provider presets with auto-detect help for known email domains, SMTP hosts, and site mail-routing hints
• Test email tool with clear success and error feedback
• Lightweight recent email activity log with the latest 50 entries stored and the newest 10 shown in admin
• Last failed email summary card for faster troubleshooting
• Copyable diagnostic summary for support requests and debugging
• wp-config.php constant overrides for secure deployment-based SMTP settings
• Safe export and import tools for reusing settings across sites
• Status snapshot with current SMTP configuration summary
• Better setup hints, stronger sender guidance, and practical provider notes for popular services
• Clean and modern admin UI
• Capability checks, nonce verification, and sanitized settings handling
• Passwords are not shown back in the UI after saving
• Saved SMTP details stay intact when you temporarily disable the SMTP override
• Works with WordPress emails sent through wp_mail()

Supported provider presets

• Gmail
• Outlook / Microsoft 365
• Zoho Mail
• Hostinger
• SendGrid
• Mailgun
• Custom SMTP

Why use Mesh SMTP?

Many WordPress sites face email delivery issues such as contact form emails not arriving, password reset emails failing, or transactional emails landing in spam. Mesh SMTP gives you a straightforward way to connect WordPress to a trusted SMTP provider and improve email reliability.

The plugin focuses on practical setup, safer configuration reuse across sites, lightweight diagnostics, and a clean WordPress-friendly experience.

Security notes

• Settings are processed with WordPress sanitization and nonce verification
• Access is restricted to authorized administrators
• SMTP debug output is not exposed in the admin UI
• Saved passwords are not displayed back in the settings form after saving
• wp-config.php constants can override saved settings for more controlled deployments