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Simple SMTP Mailer

Simplifies local development by configuring WordPress to use SMTP instead of the PHP mail() function
Version
1.1.0
Active installations
20
Last updated
Apr 28, 2025
Simple SMTP Mailer

The Simple SMTP Mailer plugin allows you to easily configure WordPress to use SMTP instead of the PHP mail function.

This should only really be used in a development environment.

Simple SMTP Mailer Settings

  • Host: The mail server (Defaults to smtp.gmail.com)
  • Username: The username used for connecting to the SMTP server
  • Password: The password used for connecting to the SMTP server
  • Port: The port to use when sending an email (587, 465 or 25. Defaults to 587)
  • Security: The type of encryption security to use when sending an email (TLS or SSL. Defaults to TLS)
  • Debug: Enable debugging

All settings can be overridden by assigning array values to the SSMTP_MAILER constant in wp-config.php. This is useful for automating local deployment.

define( 'SSMTP_MAILER', array( 'host' => emailhost.com, 'username' => username, 'password' => password, 'port' => 25, 'security' => 'SSL' ) );
Freeon Business plan
Tested up to
WordPress 6.8.3
This plugin is available for download for your site.