Sending Email from WordPress with SMTP Authentication

By default, WordPress sends email using the built‑in PHP mail function, which is unreliable and often blocked by spam filters. To ensure your website can send email successfully, you should configure WordPress to use authenticated SMTP instead.

Why Use SMTP Instead of PHP Mail?

• SMTP uses proper authentication, improving deliverability.
• Reduces the chance of emails being flagged as spam.
• Works reliably with external mail servers (e.g. Fast2host, Microsoft 365, Gmail).
• Allows encrypted connections (SSL/TLS) for secure sending.

Using SMTP ensures your WordPress site can send contact form messages, order confirmations, password resets and other notifications without issues.

How to Configure WP Mail SMTP

After installing and activating the plugin:

• Go to WP Mail SMTP → Settings
• Enter your SMTP host (mail server address)
• Choose the correct port and encryption (SSL/TLS)
• Enter your SMTP username and password
• Save your settings

The plugin includes a built‑in email test tool so you can confirm everything is working correctly.

Common SMTP Settings

These values vary depending on your email provider, but typically include:

• SMTP Host: mail.yourdomain.com
• SMTP Port: 465 (SSL) or 587 (TLS)
• Authentication: Enabled
• Username: Your full email address
• Password: Your mailbox password

If you're unsure which settings to use, Fast2host support can provide the correct SMTP details for your domain.