Agung Sundoro

Drag and drop email template editor for WordPress, create custom email template like a pro. 
You can drag and drop elements on the email template builder to set up the layout.
Integrate your HTML and CSS into your email template as easy as never before. 
Worry less, we will handle the rest Inlining CSS, standardized your email, and much more.
<h4>Features</h4>
<ul>
<li>Drag & Drop: 
Design and customize your email template by dragging and dropping element into the builder.</li>
<li>Style your email: 
Add your custom css style into your email template.</li>
<li>
Boring stuff: 
We include powerful automattic inline library (Juice) 
We support SMTP route options 
We craft beautiful User Interface (UI) with animation
</li>
<li>
Built in CSSInline: 
Email clients are unpredictable. Even today many clients strip styles that are not inlined, so it is important to inline your CSS before sending. 
The plugin using custom libraries to inline your CSS script with your HTML. Don’t risk your transactional emails or marketing campaigns falling apart.
</li>
<li>Support SMTP Option 
We have provide custom SMTP email route options under the setting menu, so you can easily integrate your SMTP server with the plugin. 
It also supports 3rd party route plugin like WP Mail SMTP, etc.</li>
<li>Beautiful User Interface (UI): 
We have set up a beautiful user interface and functionality to our custom editor, to make you create an email template as easy as never before.</li>
<li>Contact Customers 
We have provide extra custom link action under users.php page so then you can easily contact your customers from the admin users page</li>
</ul>
<h4>3rd Party Plugins</h4>
Unsupported plugins 
* WP Html Mail
Supported plugins 
* WP Mail SMTP
<h4>Credits</h4>
<ul>
<li>Thanks to Ace Js for the high performance code editor <a href="https://ace.c9.io/" rel="nofollow ugc">Ace Js</a></li>
<li>Thanks to Automattic for the css inline library <a href="https://github.com/Automattic/juice" rel="nofollow ugc">Juice on Github</a></li>
<li>Thanks to ColorlibHQ for the great responsive email layout <a href="https://github.com/ColorlibHQ/email-templates" rel="nofollow ugc">Email-Templates on Github</a></li>
<li>Thanks to Daniel Eden for his beautiful animation library <a href="https://github.com/daneden/animate.css" rel="nofollow ugc">Denaden on Github</a></li>
<li>Thanks to Font Awesome for the best crafted icons library <a href="https://fontawesome.com/" rel="nofollow ugc">Fontawesome</a></li>
<li>Thanks to Select2 for the best jquery select boxes replacement <a href="https://github.com/select2/select2" rel="nofollow ugc">Select2 on Github</a></li>
</ul>
<h4>Development</h4>
<ul>
<li>Github Repo <a href="https://github.com/agung2001/triangle-email-template" rel="nofollow ugc">Triangle Email Template</a></li>
</ul>

Triangle – Email Template Builder

good documents

Drag and drop email template editor for wordpress.

roelv

IMPORTANT: Minimum PHP version 7.4!!!
PressMailer enables you to change the texts of default notifications in WordPress and makes the notifications a bit nicer with HTML mails.
<ul>
<li>Edit the text of the default WordPress notifications</li>
<li>Build notifications with Gutenberg. Image block etc. in e-mail notifications to create better notifications.</li>
<li>Adds a default HTML layout that you can customize with logo, footer, fonts etc.</li>
</ul>
Added support for the following notification:
<ul>
<li>Customize user request mail</li>
<li>Customize email change confirmation request email</li>
<li>Customize email changed email</li>
<li>Customize erasure fulfillment email</li>
<li>Customize new user email</li>
<li>Customize password changed email</li>
<li>Customize personal data export email</li>
<li>Customize retrieve password email</li>
</ul>

PressMailer

PressMailer enables you to change the texts of default notifications in WordPress and makes the notifications a bit nicer with HTML mails.

Triangle – Email Template Builder vs PressMailer