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SMTP Test Tool
Email Tools
Test your SMTP setup with confidence.
Verify your mail server settings and confirm email delivery with a fast, secure SMTP connection test.
Test your SMTP server configuration and email delivery instantly
How to Use
- Enter your SMTP server details (host, port, username, password)
- Select the appropriate security protocol (TLS or SSL)
- Provide sender and recipient email addresses
- Click "Start Test" to send a test email
- Check the recipient inbox for the test email
SMTP Test Tool FAQs
What is an SMTP test used for?
It checks whether the supplied SMTP server, port, security settings and credentials can send a test email successfully.
Which SMTP security options are supported?
The form supports the common TLS and SSL connection choices. Select the option required by your email provider.
Why did my SMTP test fail?
Common causes include an incorrect host or port, invalid credentials, blocked authentication, provider security rules or a sender address that is not permitted.
Are my SMTP credentials stored?
The form uses the details to perform the requested test. Avoid sharing credentials with anyone and use a dedicated test account when possible.