SMTP-Test.com

SMTP-Test.com

SMTP-Test.com is a free online SMTP tester that verifies SMTP connections, tests mail servers, and diagnoses email delivery issues for services like Gmail, Office 365, SendGrid, and custom SMTP servers.

SMTP-Test.com is productivity software teams evaluate for developer tools. Use this page to review pricing, integration signals, and the best alternatives before you commit.

Free
#127 in Developer Tools (127 tools)
Added 0 year ago
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Quick Overview

Best for: Developer Tools

What it does

Productivity software for decision-makers comparing workflow fit and alternatives.

Best fit

Developer Tools

Pricing snapshot

Free

Next step

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SMTP-Test.com

SMTP-Test.com provides a free online SMTP testing tool designed to verify email server configurations before deployment. It helps users test SMTP connections, check server settings, and validate SMTP relay setups. The tool supports popular SMTP services such as Gmail, Microsoft 365, Amazon SES, and SendGrid, offering comprehensive diagnostics to ensure reliable email delivery. It is ideal for IT professionals and administrators managing email infrastructure who need to troubleshoot and maintain SMTP servers.

One-click SMTP server test with real-time protocol logs that allows users to test any outgoing email setup quickly without signup, providing instant feedback to fix login, security, or connection issues without technical expertise.

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Key Features

Comprehensive SMTP connection testing

Tests SMTP server connections thoroughly to ensure proper setup.

Real-time server response monitoring

Monitors server responses instantly to provide immediate feedback.

Detailed diagnostic reporting

Generates detailed reports on SMTP server status and issues.

Support for various SMTP configurations

Supports multiple SMTP providers including Gmail, Office 365, Amazon SES, and SendGrid.

Instant feedback on server settings

Provides quick validation of SMTP credentials, ports, and security settings.

Pricing

Free Tier Available

The SMTP test tool is completely free to use with no paid tiers.

Use Cases

SMTP Server Configuration Verification

Verify SMTP server settings before deploying to production to avoid email delivery failures.

Email Delivery Issue Diagnosis

Diagnose common email issues such as authentication failures, connection timeouts, and relay access problems.

SMTP Relay Testing

Test SMTP relay configurations and mail server routing to ensure proper message delivery.

Security and Port Accessibility Checks

Check connection security protocols like STARTTLS and TLS and verify port accessibility.

Integrations

Gmail SMTP

Test Gmail SMTP server configurations including support for 2FA with app passwords.

Microsoft 365 SMTP

Verify Microsoft 365 SMTP settings using full email as username.

Amazon SES SMTP

Test Amazon SES SMTP servers with region-specific endpoints and TLS security.

SendGrid SMTP Relay

Validate SendGrid SMTP relay using API key as password.

Benefits

Ensures reliable email delivery by validating SMTP configurations.
Helps identify and resolve common SMTP issues quickly.
Supports multiple popular SMTP providers for versatile testing.
Provides real-time diagnostics for immediate troubleshooting.
Maintains email system reliability through regular testing.

Limitations

Does not provide email content testing or spam filtering analysis.
Limited to SMTP server connection and configuration testing only.

Frequently Asked Questions

Are my SMTP credentials stored when I use the tool?
No, your SMTP credentials are only used temporarily for testing and are never stored.
Can I test SMTP servers with two-factor authentication enabled?
Yes, for example, Gmail requires an app password if 2FA is enabled, which you can use for testing.
Does the tool support testing SMTP servers from cloud providers?
Yes, it supports popular cloud SMTP services such as Amazon SES and SendGrid.
Is there a cost to use the SMTP test tool?
No, the SMTP test tool is free to use.

Getting Started

  1. 1 Navigate to https://smtp-test.com/.
  2. 2 Enter your SMTP server details including host, port, and security settings.
  3. 3 Provide SMTP credentials temporarily for testing (credentials are not stored).
  4. 4 Run the test to receive real-time diagnostics and feedback.

Support

docs

Basic usage instructions are available on the website.

contact

Contact form or email available via https://smtp-test.com/contact.

API

Available: No

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