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SMTP Tester

Quickly test SMTP server configurations and email delivery with ease.

Click on a preset to quickly configure common email providers

SMTP Configuration

The hostname of your SMTP server (e.g., smtp.gmail.com)
The port number for SMTP connection (usually 587 for TLS, 465 for SSL)
Usually your email address
Your email account password or app-specific password

Email Details

The email address to send the test email to

How to Use

Important Notes
  • Make sure your SMTP credentials are correct
  • Enable 2-factor authentication and use app passwords for Gmail
  • Check your firewall settings if connection fails
  • Some providers require specific security settings
  • Test connection first before sending emails

πŸ“¨ SMTP Tester – Verify Email Sending with Confidence

The SMTP Tester is a powerful online tool that lets you test and troubleshoot your SMTP server settings in real time. Whether you're setting up a new mail server, debugging delivery issues, or verifying authentication credentials, this tool streamlines the process and provides instant feedback.

✨ Key Features

πŸ” Authentication Check – Verify username and password credentials.
🌐 SMTP Server Connectivity – Test server reachability and response.
πŸ“€ Email Delivery Test – Send test emails to confirm functionality.
🧾 Detailed Logs – Get real-time feedback for troubleshooting.
🧩 Supports TLS/SSL – Ensure secure transmission with encryption options.
πŸ› οΈ Developer-Friendly – Perfect for admins, devs, and support teams.

πŸ“˜ How to Use

Enter your SMTP server address and port (usually 25, 465, or 587).

Provide authentication details if required.

Choose encryption (None, SSL, TLS).

Enter a recipient email and hit "Test".

View detailed connection logs and result messages.

🎯 Why Use an SMTP Tester?

Misconfigured SMTP servers are a common reason behind failed email delivery, spam issues, or blacklisting. An SMTP testing tool helps you pinpoint issues before they affect your users or campaigns.

With Toolsina’s SMTP Tester, ensure your emails are delivered reliably and securely – every time.

πŸš€ Try it now and streamline your email workflows effortlessly!