📨 SMTP Testing Tool

What is SMTP?

SMTP, or Simple Mail Transfer Protocol, is the standard protocol for sending emails across the Internet. It acts as a mail carrier that routes your email to the recipient's mail server. Without a properly configured SMTP server, emails may not get delivered or may end up in spam folders.

Why Test SMTP Settings?

• Ensure your server can send emails successfully.
• Verify credentials like SMTP user, password, and port.
• Test different security types (SSL, TLS, etc.).
• Troubleshoot issues like authentication failures or blocked ports.

Common SMTP Ports

• 25: Non-encrypted (mostly blocked by ISPs)
• 465: Encrypted with SSL
• 587: Preferred port with TLS encryption

Best Practices

• Use strong SMTP passwords and keep credentials secure.
• Use port 587 with TLS for secure and reliable delivery.
• Validate recipient email addresses to prevent bounce rates.
• Enable SPF, DKIM, and DMARC records in your DNS for better email reputation.

Whether you're setting up transactional emails, newsletters, or contact forms — this SMTP testing tool helps ensure your email configuration is accurate and ready to go.