AHA Mail SMTP is a modern and free WordPress SMTP plugin developed by Amit Hasan Abdullah. WordPress often fails to deliver emails properly, and many emails end up in the spam folder. This plugin solves that problem by routing your emails through trusted SMTP providers.

Key Features

• Easy Setup Wizard for quick configuration
• Pre-configured options for Gmail, Outlook, Zoho, Brevo, Mailgun, SendGrid, Amazon SES, SMTP2GO, and more
• Supports SSL/TLS, STARTTLS, and OAuth 2.0 authentication
• From Email & From Name customization
• Force all emails to use defined From Email/Name
• Test Email & Debugging tools
• Email logging system
• Import/Export settings
• Multisite compatible
• 100% Free, No Upsells

Supported Email Providers

• Gmail (with OAuth 2.0 support)
• Outlook/Hotmail (with OAuth 2.0 support)
• Zoho Mail (with OAuth 2.0 support)
• Brevo (Sendinblue)
• Mailgun
• SendGrid
• Amazon SES
• SMTP2GO
• Any custom SMTP server

Why Choose AHA Mail SMTP?

1. Modern Interface: Clean, intuitive admin interface that follows WordPress design standards
2. Security First: Built with security best practices including encrypted password storage
3. Easy Configuration: Setup wizard guides you through the entire process
4. Comprehensive Logging: Track all your email activity with detailed logs
5. OAuth Support: Secure authentication for major providers like Gmail, Outlook, and Zoho
6. No Limitations: Completely free with no locked features or upsells

Perfect For

• Contact forms (Contact Form 7, Gravity Forms, etc.)
• WooCommerce order notifications
• User registration emails
• Password reset emails
• Newsletter plugins
• Any WordPress email functionality

Ensure your WordPress emails reach the inbox with AHA Mail SMTP!

External services

This plugin connects to external services only when you configure and use OAuth 2.0 authentication or specific SMTP providers. No data is sent to any external service without your explicit configuration and consent.

Google (Gmail OAuth)

When using Gmail with OAuth 2.0, this plugin connects to Google’s OAuth servers to authorize access to your Gmail account for sending emails.

• What is sent: Your OAuth authorization code, client credentials, and refresh tokens.
• When: Only when you initiate the OAuth flow or when the plugin automatically refreshes an expired access token.
• Endpoints: https://accounts.google.com/o/oauth2/auth and https://oauth2.googleapis.com/token
• Google Terms of Service | Google Privacy Policy

Microsoft (Outlook OAuth)

When using Outlook with OAuth 2.0, this plugin connects to Microsoft’s identity platform to authorize sending emails via Outlook.

• What is sent: Your OAuth authorization code, client credentials, and refresh tokens.
• When: Only when you initiate the OAuth flow or when the plugin automatically refreshes an expired access token.
• Endpoints: https://login.microsoftonline.com/common/oauth2/v2.0/authorize and https://login.microsoftonline.com/common/oauth2/v2.0/token
• Microsoft Terms of Service | Microsoft Privacy Policy

Zoho (Zoho OAuth)

When using Zoho Mail with OAuth 2.0, this plugin connects to Zoho’s OAuth servers to authorize email sending.

• What is sent: Your OAuth authorization code, client credentials, and refresh tokens.
• When: Only when you initiate the OAuth flow or when the plugin automatically refreshes an expired access token.
• Endpoints: https://accounts.zoho.com/oauth/v2/auth and https://accounts.zoho.com/oauth/v2/token
• Zoho Terms of Service | Zoho Privacy Policy

Amazon SES

When using Amazon SES as your SMTP provider, this plugin connects directly to Amazon SES SMTP endpoints to deliver your WordPress emails.

• What is sent: Your email content (to address, subject, body) and SMTP credentials for authentication.
• When: Every time a WordPress email is sent while Amazon SES is configured as the provider.
• Endpoint: email-smtp.us-east-1.amazonaws.com (region may vary)
• AWS Terms of Service | AWS Privacy Policy

Your SMTP Provider

This plugin is designed to route all WordPress emails through the SMTP server you configure. Your email content is sent to whatever SMTP host you specify in the settings. Please refer to the terms of service and privacy policy of your chosen provider.

Privacy Policy

AHA Mail SMTP does not collect, store, or transmit any personal data outside of your WordPress installation. All SMTP credentials and settings are stored locally in your WordPress database. Email logs (if enabled) are stored locally and can be disabled at any time.

Support

For support, please use the WordPress.org support forums. We monitor them regularly and will do our best to help you with any issues.

Contributing

AHA Mail SMTP is open source. If you’d like to contribute, please visit our GitHub repository.

Credits

Developed by Amit Hasan Abdullah with love for the WordPress community.

Special thanks to the WordPress community and all the contributors who make WordPress amazing.