Plugin
PluginUpdated
Mailster - Email Newsletter Plugin
Mailster - Email Newsletter Plugin is a WordPress plugin by EverPress for creating and managing email campaigns.
Product facts
- Version
- 4.1.21
- Released
- 20 October 2026
- Type
- Plugin
- Licence
- GPL
- Included in
- Every plan, or $5.59 on its own
Overview
Mailster brings newsletter creation and subscriber management into a WordPress site. Its drag-and-drop editor lets you build email campaigns without coding, and customizable templates can be adapted to match your brand. The plugin also supports automated campaigns and autoresponders for sending messages as part of ongoing subscriber communication.
Manage subscribers with lists, tags, and audience segments based on behavior and preferences. Mailster provides campaign reports for opens, clicks, bounces, and unsubscribes, giving site owners information about how their emails perform. Its integrations with WooCommerce, Contact Form 7, and Gravity Forms can support subscriber management across a business site.
Features
- Drag-and-drop editor: Create email newsletters with a visual editor that lets you arrange campaign content without writing code.
- Customizable templates: Adapt newsletter templates to fit your brand identity and the needs of individual email campaigns.
- Campaign reporting: Review opens, clicks, bounces, and unsubscribes in campaign reports to understand subscriber responses.
- Automated campaigns: Set up automated email campaigns and autoresponders to nurture leads and engage subscribers over time.
- Subscriber segments: Organize subscribers with lists, tags, and segments based on their behavior and preferences.
- WordPress integrations: Connect subscriber management with WooCommerce, Contact Form 7, and Gravity Forms.
- Responsive newsletters: Create emails with responsive design so newsletters adapt to screens ranging from desktops to smartphones.
Best for
- WordPress business websites
- Blogs building an email audience
- Online stores managing newsletters
Changelog
Version 4.1.21 — 19 October 2026
- Fixed Retina loading spinner 404 when legacy form styles are printed inline
- Fixed All status filter count on subscribers screen showing 0
- Fixed Tags with numeric names (e.g. "2026") can be created and assigned
- Fixed Mailster_list_removed and mailster_tag_removed no longer run when the subscriber was not on that list or tag
- Fixed List-based unsubscribe still succeeds when the subscriber is not on every campaign list
- Fixed Image placeholder endpoint no longer allows unbounded image sizes
- Fixed Numeric custom date fields now keep date operators, formatted values, and export date formats
- Improved Subscriber list tags and lists link to a filtered view of matching subscribers
- New Bulk actions to add or remove tags on the subscribers list
- Improved Tag assign APIs treat integers as tag IDs and strings as tag names — custom code must cast IDs with (int) (numeric strings like "42" are names, not IDs)
Earlier versions
- 4.1.20 (5 October 2026): 7 fixed
- 4.1.18 (14 July 2026): 2 improved, 2 fixed
- 4.1.17 (9 March 2026): 1 new, 12 improved, 3 fixed, 2 removed
FAQ
Is Mailster - Email Newsletter Plugin free?
The code of Mailster - Email Newsletter Plugin is licensed under the GPL, so anyone may use, change and share it. GPL 247 is a paid service: a plan or a purchase of Mailster - Email Newsletter Plugin gives you the download and its updates. The developer's own support, licence key and online services are not included.
Which version of Mailster - Email Newsletter Plugin is this?
Version 4.1.21, released 20 October 2026. New versions appear here when the developer publishes them.
How do I update Mailster - Email Newsletter Plugin?
Install GPL 247 Updater on your site and paste your key from My Account. It installs new versions of Mailster - Email Newsletter Plugin for you.





