cbezzy

A SMTP Settings manager
Override default wp_mail and use basic SMTP settings , when active
look in your settings for a new “SMTP Options” option
Use wp_mail() as normal once this is set up and it will use you new settings.

SMTP Override

A SMTP Settings manager Override default wp_mail and use basic SMTP settings , when active look in your settings for a new "SMTP Options"  …

rajuru

SparkPost

The <a href="https://www.sparkpost.com/" rel="nofollow ugc">SparkPost</a> email delivery service offers best in class deliverability to ensure your mail hits the inbox, live analytics to review, track and optimize your email activities, as well as highest performance when you need it most: always.
When the SparkPost plugin is enabled, all outgoing email from your WordPress installation is sent through your SparkPost service. From within <a href="https://app.sparkpost.com/" rel="nofollow ugc">the SparkPost UI</a> or <a href="https://app.eu.sparkpost.com/" rel="nofollow ugc">SparkPost EU UI</a>, you can then watch your campaigns unfold live by tracking your engagement metrics, learn what your audience responds to and even integrate more deeply with your app using the SparkPost API.
Requirements 
– PHP 7.0 or later 
– WordPress 5.5 or later

Send all your email from WordPress through SparkPost, the most advanced email delivery service.

SMTP Override vs SparkPost