Add Mail SMTP settings for WordPress
Looking to modify the SMTP on your WordPress site? Our Custom SMTP solution offers you this possibility, allowing you to easily change your WordPress SMTP settings, ensuring your emails consistently land in the recipient’s inbox.
Custom SMTP solves your email deliverability problems by reconfiguring WordPress to use a proper SMTP provider when sending emails.
What’s more, our intuitive settings page and comprehensive documentation will guide you through the process, making the task of modifying your SMTP settings easier than ever.
Custom SMTP is a free tool, packed with all the essential features you need to send your WordPress emails with absolute confidence!
Built-in Email Logging
Never wonder if your emails were sent again. Custom SMTP automatically logs every email sent from your WordPress site – including WooCommerce order notifications, contact form submissions, and password resets. Preview email content directly in wp-admin, debug delivery issues with detailed error messages, and export logs for compliance.
Configuration Options
You can set the following options:
- From Name & Email – Specify the sender name and email address for all outgoing emails
- SMTP Host – Your email provider’s server (e.g., smtp.gmail.com)
- SMTP Port – Common ports: 587 (TLS), 465 (SSL), 25 (None)
- Encryption – Choose between None, SSL, or TLS
- Authentication – Enable/disable SMTP authentication for relay servers
- Username & Password – Your SMTP credentials (password stored encrypted)
- Provider Presets – One-click configuration for Gmail, Outlook, iCloud, SendGrid, AWS SES, and more
Key Features
SMTP Configuration * Configure any SMTP server (Gmail, Outlook, SendGrid, Mailgun, AWS SES, etc.) * Support for SSL/TLS encryption * Optional SMTP authentication for relay servers * Test connection without sending emails * Send test emails to verify configuration
Email Logging & Debugging * Zero configuration – Logging works out of the box * Track all emails sent from WordPress, WooCommerce, Contact Form 7, and any plugin * View delivery status (sent/failed) with detailed error messages * Debug wp_mail errors easily – See exactly why emails fail * Store email headers for advanced troubleshooting * Search by recipient, subject, or status * Filter by date range (Today, 7 days, 30 days) * Export logs to CSV for reporting and compliance
Email Preview & Content * Preview email body directly from wp-admin – No need to send test emails * View HTML source code of any logged email * Outlook-style sidebar for quick preview * Download any email as HTML file for archiving * Optional content storage (disabled by default for privacy)
Security * SMTP password encrypted in database (AES-256-CBC) * All admin actions protected with nonces * Capability checks on all operations