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.

Roland Rust

Prints out your webservers php settings as well as other information about your WordPress installation. 
Important for posting at various WordPress support forums.

Phpinfo

Prints out your webservers php settings as well as other information about your WordPress installation.

Simple Email Sender vs Phpinfo