Jiri

Simple Email Sender is a WordPress plugin that allows you to send emails directly from your WordPress admin panel using SMTP. It includes enhanced debugging features to help you troubleshoot email sending issues.
Features: 
* Configure SMTP settings 
* Send test emails 
* Debug mode for troubleshooting 
* Easy-to-use interface in the WordPress admin panel
<h3>Privacy Policy</h3>
This plugin does not collect or store any personal data. It only facilitates the sending of emails through your configured SMTP server.

Simple Email Sender

A simple plugin to send emails from WordPress admin panel using SMTP, with enhanced debugging features.

istvankrucsanyica

A simple WordPress extension which adds itself to the admin bar, providing system information such as PHP, MySQL version and details of the WordPress being used.

Dev Info Bar

A simple WordPress extension which adds itself to the admin bar, providing system information such as PHP, MySQL version and  details of the WordPress …

Simple Email Sender vs Dev Info Bar