cubefeed

<p>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.</p>
<p><strong>Plugin Settings Options:</strong></p>
<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.

socialveo

<p>Socialveo SMTP allows you to configure and send all outgoing emails via a SMTP server.</p>
<p>You can set the following options:</p>
<ul>
<li>Set the from name and email address for outgoing email</li>
<li>Set the reply to email address</li>
<li>Set an SMTP host</li>
<li>Set an SMTP port</li>
<li>Set SSL / TLS encryption</li>
<li>Set to use SMTP authentication</li>
<li>Set an SMTP username and password</li>
</ul>
<p>Works with any email sending service that offers SMTP.</p>
<h4>Why use SMTP?</h4>
<p>This plugin will prevent your emails from going into the junk/spam folder of the recipients.<br />
Email sent by WordPress use PHP mail() function, and often the email go in the spam folder or get completely rejected by popular email providers.<br />
SMTP (Simple Mail Transfer Protocol) is the industry standard for sending emails.<br />
This plugin helps you use proper authentication which increases email deliverability.</p>
<h4>Why use this SMTP plugin?</h4>
<p>There are many WP plugins for SMTP, but this one aim to be simple by using lightweight code (single file less than 4KB), without storing anything on database, but doing configuration only via wp-config.php. Also there is not complete override of wp_mail() function like other plugins, but it’s used only hook for add additional functionality; this allow easy upgrade to future version of WP.</p>
<h4>Credits</h4>
<p>It is maintained by the team behind <a href="https://socialveo.com/" rel="friend nofollow ugc">Socialveo</a>.</p>
<h4>What’s Next</h4>
<p>Add HTML email templates to all wordpress emails.</p>


Socialveo SMTP

Socialveo SMTP allows you to configure and send all outgoing emails via a SMTP server.

ElasticEmail Plugin vs Socialveo SMTP