Julien Desrosiers

Pressmail

The simplest way to send emails from your WordPress site. No SMTP or DNS to manage.
Note: to use this plugin, you will need to first create an account on <a href="https://www.pressmail.co" rel="nofollow ugc">pressmail.co</a>. See our <a href="https://www.pressmail.co/terms-of-service/" rel="nofollow ugc">terms of service</a>.
How it works:
<ol>
<li>Get your API key</li>
<li>Install this plugin</li>
<li>Let us handle the rest</li>
</ol>

The easiest way to send emails with WordPress

cubefeed

The problem: SMTP email delivery by some hosting providers can be extremely slow. This plugin reconfigures the wp_mail() function to send email using HTTPS (via Elasticemail API) instead of SMTP and creates an options page that allows you to specify various options.
Plugin Settings Options:
<ul>
<li>Enable or Disable Plugin.</li>
<li>Elasticemail API username</li>
<li>Elasticemail assigned API Key</li>
<li>Elasticemail REST API URL</li>
<li>Your account channel variable(optional)</li>
</ul>

ElasticEmail Plugin

Reconfigures the wp_mail() function to send email using HTTPS (via Elasticemail) instead of SMTP and creates an options page to manage the settings.

Pressmail vs ElasticEmail Plugin