Alexander Rohmann

<p>Global SMTP is a utility plugin designed to easily configure SMTP for WordPress by adding a set of constants to your <code>wp-config.php</code> file.</p>
<p>When used with multisite, the configuration is applied network wide. This is often handy to install as a “must use” plugin.</p>


Global SMTP

Works with WP 4.4.2

This is the only SMTP plugin I found that works excellent with Multisite installed WordPress. And supports TLS, SSL, and don't use database and very fast!



Lightweight plugin, Support Multisite

WP Chill

Silkalns

Jack K

George Ciobanu

SolidWP

Razvan Aldea

Alex

<p>Your WordPress website is sending emails out daily, but are your users and visitors receiving them? When it comes to ensuring email deliverability, lean on a proven equation: SMTP plugin + email service provider = success. Solid Mail is an easy-to-use, set-it-and-forget-it SMTP plugin that will help you stop worrying about email deliverability.</p>
<h4>❓How does Solid Mail Help You Implement SMTP Email on your website?</h4>
<p>Solid Mail makes connecting to many popular SMTP services straightforward and clear. Solid Mail currently supports the following Email Service Providers (ESPs):</p>
<ul>
<li>Sendgrid</li>
<li>MailGun</li>
<li>Brevo (formally Sendinblue)</li>
<li>Amazon SES</li>
<li>Postmark</li>
<li>Manual connection (connect to any ESP)</li>
</ul>
<p>Enjoy complete flexibility and reliability in email delivery. Set up multiple connections to send emails via different Email Service Providers according to the From: address, and choose a fallback connection to ensure messages are sent even if a connection fails or the address doesn’t match an existing connection.</p>
<p><a href="https://solidwp.com/blog/alternatives-for-wordpress-transactional-emails/" rel="nofollow ugc">Learn more about transactional email services for your WordPress website here</a>.</p>
<h4>🤔Why Should You Use an SMTP Plugin for Your WordPress Website Instead of the Native PHP Mail?</h4>
<p>WordPress out the box uses PHP’s built-in mail function to send emails such as password reset requests, WooCommerce order invoices and more. The issue? PHP Mail is only as good as your server and most hosts don’t have dedicated PHP Mail monitoring.</p>
<p>Even hosts that specialize in hosting WordPress either don’t offer email services or don’t actively monitor for deliverability. That means you can be at the mercy of noisy neighbors sending spam to purchased email subscriber lists, or spammers running the latest scam. Either way it impacts the health of the server in the eyes of ESPs such as Google, Yahoo, Outlook, and others meaning that most of the time your emails don’t even hit the inbox!</p>
<p>Go from spam-box to inbox with Solid Mail: an SMTP (Simple Mail Transfer Protocol) plugin. Combine with an email service provider such as SendGrid, Brevo, Amazon SES, and others and see your emails start getting delivered.</p>
<p>An SMTP plugin – like Solid Mail – is essentially a higher-level and more advanced method of sending emails between servers that uses a username and password or other secure method to create the connection to an email service provider (ESP). ESPs (like those listed below) provide robust solutions to deliverability issues by running dedicated servers for sending that are managed ‘round the clock for issues like blacklisting, spam removal, and more. In addition they use authentication protocols like SSL/TLS to secure email transmissions and ensure better deliverability.</p>
<p>Using an SMTP plugin combined with an email service provider instead of PHP Mail on the server leads to more reliable, secure, and efficient email communication for WordPress websites. <a href="https://solidwp.com/blog/wordpress-not-sending-email/" rel="nofollow ugc">Find out more about SMTP and WordPress email deliverability here</a>.</p>
<h4>📑How does Solid Mail Validate Email Deliverability with Email Logs?</h4>
<p>Solid Mail gives you an easy-on-the-eyes interface to review and inspect your comprehensive email logs and understand if your email was sent or not. This transparency helps in debugging any email deliverability issues with your website.</p>
<p>Many email service providers offer advanced features like email tracking and analytics. Solid Mail’s email logs help optimize email strategies by making it easy for you to view and act on patterns and trends.</p>
<h4>📧 Email Logging is a great way to help troubleshoot WordPress email deliverability issues</h4>
<p>But how do you know and validate that your emails are actually being sent from your website correctly? The answer is email logs.</p>
<p>Email logs are crucial for validating that your emails are being delivered as intended, serving as an indispensable tool for troubleshooting and ensuring reliability in communication. These logs provide detailed records of every email transaction, including timestamps, recipient addresses, and errors in the SMTP authentication process.</p>


Solid Mail – SMTP email and logging made by SolidWP

This plugin was responsible of the largest data breaching in Mossack Fonseca's wordpress website. wordfence states something like this. so please don't use this plugin if you care about the security of your website. 
MF are running the WP SMTP plugin which gives you the ability to send mail from your website via a mail server. This plugin stores email server address and login information in plain text in the WordPress database. The login information stored is a mail server SMTP login for sending email. Here is a screenshot showing the login information for this plugin appearing in a database as plain text on one of our test servers:



One of most dangerous plugins in the whole world for wordpress

As always it good

With the addition of a default Reply-To, it would be perfect for the websites I install SMTP plugins on.

Almost perfect


I'm satisfied with version 1.2.7.The newer updates add unnecessary features.With version 1.2.7, the emails are reliably delivered to the inbox and even marked as important.But with the latest versions, emails often go straight to the spam folder.


I'm satisfied with version 1.2.7

Email deliverability made SOLID. Connect to your chosen email provider with an intuitive set-it-and-forget-it SMTP plugin.

Global SMTP vs Solid Mail – SMTP email and logging made by SolidWP