EffectIO Mailster - Email Newsletter Plugin for WordPress (Premium)

Original price was: $70.00.Current price is: $9.99. / year

Drop-in compatible replacement & Licensed Product

Send Beautiful Email Newsletters in WordPress. Version: 4.1.2 Send Beautiful Email Newsletters in WordPress.

Released on: 2024-09-17

Single License

Club Membership

17,99 / Month Membership

NEW Activate all licensed items with the free Dashboard

EffectIO Dashboard

Discover when we give away free Plugins

Find out when we give items for Free


Hey! 🎉 Monthly emails, tops. Snag exclusive plugins/themes for $0. They go quick, but you might just get a freebie! 😉

30 Days Money Back Guarantee

Guaranteed pre-activated plugins. Most items work immediately after installation. Open a support ticket to obtain the license keys for the ones that ask for activation.

Free support to install and setup on your site.

Mailster Email Newsletter Plugin for WordPress is the ultimate solution for creating and sending beautiful email newsletters right from your WordPress website. With an easy setup process, effortless lead collection, and stunning email campaigns, Mailster makes it simple to connect with your audience.

Here are some amazing features of Mailster:

1. Easy to Set Up: Import your data from Excel or your CMS, or start your email list from scratch.
2. Effortless Lead Collection: Collect leads effortlessly and grow your email list with ease.
3. Beautiful Email Campaigns: Create stunning email campaigns with customizable templates that can be customized via code or widgets.
4. Amazing Email Templates: Choose from a wide range of professionally designed email templates to make your newsletters visually appealing.
5. Send with Any Provider: Connect Mailster with your preferred email provider and easily send your campaigns.
6. Great Insights: Gain valuable insights about your subscribers, including their click rates, preferred email providers, location, and other activities essential for your online marketing strategy.
7. Excellent Support: Benefit from excellent customer support to address any questions or issues you may have.
8. Positive User Reviews: Check out what our users have to say about Mailster’s functionality and performance.
9. Responsive and Worthwhile Support: Experience responsive and knowledgeable support from the Mailster team.
10. Feature-Rich: Enjoy a feature-rich plugin that rivals and exceeds the capabilities of popular email marketing tools like MailChimp.
11. Integrate and Save Time: Effortlessly integrate Mailster into your WordPress website, saving time and effort.
12. Reliable Mail Solution: Depend on Mailster to better communicate with your audience and track the results of your email communications.
13. Control and Customization: Stay in control of how, when, and what your subscribers see with Mailster’s extensive customization options.
14. Lifetime Access: Mailster is not a subscription-based service, offering lifetime access to its features.
15. EffectIO Alternative: Consider EffectIO as a cost-saving update channel for plugins, providing comprehensive updates and premium support.
16. SEO-Friendly: Crafted with SEO in mind, the text is optimized for search engines.
17. GPL Code: Mailster operates on GPL code, ensuring its stability and reliability.
18. Pre-Activated: Take advantage of the ability to update Mailster via the EffectIO Dashboard, with plugins coming pre-activated.
19. Super Deals: Explore EffectIO’s super deals, offering discounts of 30% to 90% on various plugins.

Don’t miss out on the opportunity to revolutionize your email marketing strategy with Mailster Email Newsletter Plugin for WordPress. Experience the power and flexibility of this outstanding plugin today!

Send Beautiful Email Newsletters in WordPress.

4.1.17
  • This update brings stability and improvements for WordPress 7.0.
  • improved: block forms now support block gaps.
  • improved: block form message now visible in the editor.
  • improved: block form message now supports borders and shadows.
  • improved: buttons on campaign edit screen for WordPress 7.0.
  • improved: visual fixes for WordPress 7.0.
  • improved: Quickly copy Block Markup for block forms (next to short codes).
  • improved: sanitize URLs using esc_url() for improved security.
  • updated: included form patterns for WordPress 7.0.
  • updated: validate form ID by ensuring it is numeric before processing in frontpage class
  • updated: replace ButtonGroup with Flex component in FormSelector and EmailSelector for improved layout consistency
  • updated: included form patterns for WordPress 7.0.
  • removed: clean lists note on import screen.
  • removed: deprecated `utf8_*` methods.
  • fixed: missing conditions error on manage subscribers screen.
  • fixed: missing colors on forms if block messages have a non-default color.
  • fixed: form section in form blocks now displays all available forms when there are more than 10.
  • updated: dependencies
4.1.16
  • removed: eliminate remove_template method from MailsterAjax class to streamline AJAX functionality
  • fixed: broken blocks on automation by adding `sprintf` function to i18n imports for better string formatting in multiple files
  • improved: ensure only the latest export file is downloadable by validating the filename against stored option
  • improved: modify MIME type for zip uploads and enable type testing in MailsterAjax class
4.1.15
  • fixed: correct logic in URL validation check
  • fixed: check if campaign is in a valid status before checking the content
  • refactored: streamline form retrieval and fallback logic in MailsterNotification class for improved readability and maintainability
  • updated: bump dependencies and lock files to latest versions for improved compatibility and performance
  • updated: enhance URL validation logic in MailsterFrontpage class to include campaign status checks and improve error handling
  • updated: add __next40pxDefaultSize prop to various components for consistent styling across form elements
4.1.14
  • fixed: synchronize max days for warmup settings between queue and delivery files
  • refactored: sanitize URLs in subscribers table class for improved security
  • refactored: update content filters and actions for better form rendering and modularity in block forms. Popups are now rendered inside the_content filter, which improves compatibility with more themes and core blocks, used inside the form.
  • updated: bump dependencies and lock files to latest versions for improved compatibility and performance
  • updated: correct typo in welcome message on campaigns dashboard
4.1.13
  • added: option to continue workflow on specific date delays if the date is in the past
  • fixed: css: issues with some themes on the automation editor
  • updated: dependencies and lock files for improved compatibility and performance
4.1.12
  • fixed: cast smtp_secure option to string for proper type handling
4.1.11
  • added: implement installation checks and enhance default settings handling
  • added: link to documentation for capabilities settings page
  • added: new capability to delete campaigns with appropriate roles and help text
  • added: new helpdesk links to the settings page
  • refactored: improve notification template fallback and error handling
  • refactored: improve SMTP configuration type casting
  • refactored: improve wp_mail filter argument handling
  • fixed: correct parent block references for condition blocks
  • updated: enhance import functionality and UI interactions
  • packages updates
4.1.10
  • fixed: improve capabilities and permissions system
  • updated Dependencies and Package Versions
  • chore: update commit message guidelines
  • updated: improve form block error handling
  • updated: refactor homepage block edit and inspector controls
4.1.9
  • fixed: missing capability to delete campaigns in some case
  • fixed: missing key in array function
  • added: new capabilities `delete_private_newsletters`, `delete_published_newsletters`
  • improved: alignment of elements in the automation inspector
  • improved: use `ToggleGroupControl` on update custom field action for checkboxes
  • package upgrades
4.1.8
  • fixed: bug when subscribe on multiple lists. 'wpdb->delete' may return 0 so do better checks
  • removed redundant shortcode
  • updated packages
4.1.7
  • fixed: issue where activating caused a fatal error if `wp_mail` is used by another plugin
  • fixed: typo
  • updated: Freemius SDK to 2.10.1
4.1.6
  • fixed: campaigns cache were not cleared on status change
  • fixed: condition using "have" and "doesn't have" tags returned wrong results
  • fixed: force boolean on some expressions
  • added: '__nextHasNoMarginBottom' to components to prevent deprecated messages in WP 6.7
  • removed: option to upgrade license from notification
  • updated: dependencies for composer and npm
  • Less use of constant MAILSTER_BUILT
4.1.5
  • improved: admin notices improvements
  • improved: show "0" values on subscriber details page instead of nothing
  • improved: convert license screen
  • improved: option to quickly remove filter from subscriber overview
  • added: `{second}` tag to display the current second
  • fixed: minor CSS issues
  • fixed: PHP Notice while Autoresponder converting
  • fixed: Trigger selector break blocks if connection is to slow
  • fixed: cache wasn't cleared for block forms in some cases
  • fixed: conditions with quotes are rendered incorrectly
  • fixed: form patterns were missing on saved block forms
  • fixed: race condition when a workflow is triggered on manual user update
  • fixed: searchmark causes error if applied on non strings
  • removed: legacy usage tracking
  • rewritten notice methods
  • updated: Freemius SDK to 2.9.0
4.1.4
  • fixed: profile showed unsubscribe button
  • fixed: workflow can be triggered multiple times in some instances
  • improved: checks if Mailster methods are called before Mailster is initialized
  • improved: Support for WooCommerce Add-on
4.1.3
  • fixed: automation schedule generated invalid query if empty arguments were passed
  • fixed: missing translations
  • fixed: respect `WPLANG` property when fetching translations
  • fixed: typo on dashboard
  • improved: allow updating from the dashboard if translations have been loaded already
  • improved: hook based triggers now support multiple or all subscribers
4.1.2
  • fixed: PHP warning in automations class
  • fixed: missing ID when block forms are used on the frontend
  • fixed: missing campaign on email workflow
  • fixed: some strings weren't translate-able improved: translations
  • improved: form patterns are now translate-able
  • added: link to Translator Program on dashboard
4.1.1
  • fixed: PHP Error with PHP version 7.4
  • fixed: Jumper Step caused broken block in some cases
  • fixed: Step Appender not aligned correctly
4.1.0
  • new: Jumper Step: Jump to a specific step in the workflow.
  • new: Notifications Step: Send a notification to an email address.
  • new: Allow Prefills forms with URL parameters.
  • new: Queued subscribers on workflows can now get inspected and removed/forwarded/finished.
  • new: Option to skip steps in workflows.
  • new: Option to allow pending Subscribers entering the workflow.
  • new: Option to activate/deactivate and duplicate the workflow from the overview page.
  • new: Capabilities to manage workflows and block forms.
  • new: Shortcode of forms is now quickly copyable from the forms overview page.
  • added: option to selected autocomplete type for input elements on forms.
  • improved: initiation Mailster. Now the main class is loaded when all plugins are available.
  • improved: Newsletter Homepage in the Site editor is not broken anymore.
  • improved: frontend script for forms is executed with domReady.
  • improved: BlockRecovery now uses less resources.
  • improved: refetching data is now less resource intensive.
  • improved: missing step appender in WP 6.6 is now back (and better).
  • improved: new icons for some steps to make them more distinguishable.
  • improved: time related input fields got a "now" button to quickly jump to the current time.
  • improved: more option buttons in editor toolbar for better accessibility.
  • improved: workflows can now run max 1024 steps in a single process to prevent infinite loops.
  • change: Canvas toolbar is now located in the canvas.
  • change: `wp_mail` setup: changed the way functions are loaded
4.0.11
  • fixed: PHP error "attempt to assign a property to an array"
  • fixed: styling issues on Automations with WP 6.6
  • fixed: missing Canvas tools on WP 6.6
  • fixed: workflow steps with delay didn't calculated the timezone correctly.
4.0.10
  • fixed: escaping on web version
  • fixed: subject placeholder tag in title was not replaced on the webversion
  • improved: css improvements
  • update plugin api info
4.0.9
  • fixed: line height on form selector input field
  • fixed: PHP Warning: preg_replace(): Compilation failed with certain shortcodes.
  • fixed: PHP deprecated notice
  • fixed: admin header was visible on the newsletter homepage
  • fixed: deeplink of steps works again
  • fixed: dynamic properties are deprecated
  • fixed: fatal error on tags triggers if no tag has been set
  • fixed: logos were not applied to some templates
  • fixed: translation wasn't loaded before the setup wizard
  • improved: bounce performances
4.0.8
  • fixed: linked images in templates weren't mapped correctly.
  • fixed: missing array index in options.php
  • fixed: using "given-name" for autocomplete value instead of "name" on the first name field for block forms
  • improved: legacy forms inclusion
  • improved: activation experience for Envato users
  • improved: bounce handler to not timeout during processing of large quantities of bounce messages
  • removed: beta notice
  • removed: health check notice.
  • reverted: forcing unsubscribe link on the bottom of the mail if not present in the email.
  • fully tested with WordPress 6.5
4.0.7
  • fixed: action links on campaign overview page.
  • fixed: linked images in templates weren't mapped correctly.
  • fixed: missing array index in options.php
  • improved: legacy forms inclusion
  • improved: bounce handler to not timeout during processing of large quantities of bounce messages
  • removed: deprecated cron trigger
4.0.6
  • fixed: Custom fields with underline were not working
  • fixed: check for array on bulk actions on campaigns
  • fixed: embeded elements were broken caused by block forms
  • fixed: wrong link in the block form overview
  • improved: added option to define 'fields' in search query on the subscribers overview to search only within certain fields
  • improved: deleted subscribers no longer count to totals on overview page
  • improved: loading of lists page with large subscriber base.
4.0.5
  • fixed: SQL error on form preview page
  • improved: loading time on subscribers overview
4.0.4
  • fixed: journey were triggered more than once in some circumstances
  • fixed: usage of `wp_posts` instead of `{$wpdb->posts}` on some queries
  • improved: fast triggers in automations
  • improved: cleanup on date related workflows
4.0.3
  • added: upgrade notice
  • fixed: small bug fixes and CSS improvements
4.0.2
  • fixed: custom field creation during import if no custom fields are present
  • fixed: render error if first step in workflow is removed
  • improved: handling different translations for different users
  • updated: included templates
4.0.1
  • fixed: some phpcbf issues
  • fixed: Newsletter homepage creation causes broken blocks
  • fixed: checkout links fixed: typo
  • fixed: some automations got stuck on the delay step under certain conditions
4.0.0
  • *Email Health Check**: Check your delivery method to comply with upcoming changes to Gmail and Yahoo.
  • *Block Forms**: Create forms and popups with the built-in editor.
  • *Automations**: Bring automations to the next stage with customer journeys.
  • *One Click Unsubscribe**: Now enabled by default for Gmail and Yahoo, complying with RFC 8058.
  • *Save Custom Modules**: Allows for saving and reusing custom modules within the platform.
  • *Native Support**:
  • For DIVI.
  • Improved native support forms for Elementor, including a change in the slug of the Elementor module to prevent conflicts.
  • *General**:
  • Welcome Wizard.
  • Automation triggers now run on the same process.
  • List view labels are more descriptive.
  • Newsletter homepage block.
  • Standardized rendering of campaigns.
  • Performance improvements on querying action data from campaigns and on data in the wp_options table.
  • Rendered of admin screens.
  • Subscribers detail page.
  • Allow any type of hook in hook triggers.
  • *Forms and Popups**:
  • Block form preview.
  • Animations on forms are now reduced if clients use "prefer-reduced-motion".
  • Honeypot mechanism to prevent false positives on heavily cached sites and improved to prevent false positives more broadly.
  • *Compatibility and Standards**:
  • PHP 8.2 compatibility.
  • Updated WP Coding Standards to 3.0.
  • Fully tested for PHP 8.1 and partially tested with PHP 8.2.
  • *UI/UX**:
  • Improved preview of forms from the block form overview.
  • Improved rewrite rules for newsletter homepage.
  • Improved placeholder image tags algorithm.
  • Improved beacon message loader.
  • CSS improvements on the form editor.
  • General style updates.
  • *Technical and Structural**:
  • Page link triggers are now stored differently.
  • No longer use trigger post meta value for automation triggers.
  • Moved form padding to style section.
  • Hide "Show form" option if used in content.
  • *Deprecated**:
  • Legacy forms.
  • *SDKs and Libraries**:
  • Freemius SDK updated to 2.6.2.
  • *Geo API**: Updated to use preferred single mmdb file instead of multiple data files.
  • *Admin Screens**: Improved rendering.
  • *General Fixes**:
  • Deprecated notice on subscribers detail page for PHP 8.2+.
  • Warning on activation if update state is not clear.
  • Warnings when trying to resize SVG images in email.
  • Custom fields were not saved in some cases.
  • Warning on PHP 8.2 if subscriber count is 0.
  • CodeMirror editor not responding.
  • `mailster_ip2Country` didn't return country codes.
  • Forms popup appear in wrong places.
  • Conditions were sometimes wrongly not fulfilled.
  • Automations don't get triggered due to a wrong db column.
  • Inline style attribute got removed in some edge cases.
  • Scroll percentage trigger was not working.
  • Align property hasn't been stored if forms are used out of context.
  • Prevent step ID be the same if multiple blocks are duplicated.
  • *Premium Templates**: Now available to certain plans.
  • *Specific Date and Anniversary Triggers**: Can now have an offset.
  • *Support and Cleanup**:
  • Improved log cleanup algorithm.
  • New filter 'mailster_cron_simple_output' to change the output of the cron page.
  • Run KSES filter on form output via shortcode.
  • Smaller fixes and improvements, cleanup.
  • Support block form preview in the site editor.
  • *Miscellaneous**:
  • Option to convert certain autoresponders to workflows.
  • Legacy forms menu entry is hidden by default. **For further details please visit our change log page.** **[Mailster Homepage →](https://mailster.co/changelog/)**

Testimonials

Benny O'Brien@benny_obie

The quick response from a friendly team member at @effectioshop honestly caught me off guard.
Nice work!


Stuart Boyle@stuart_boyle

@effectioshop As an eCommerce developer, effectio.org has enabled me to reach higher expectations and my clients are very happy.


22,000+ Users · 180 Countries
Trusted by freelancers, agencies & store owners worldwide

How It Works

Install the free EffectIO Dashboard plugin on your WordPress site. It connects to the EffectIO catalog, detects every premium plugin and theme you own, and gives you a single hub to manage licenses, run updates, and keep your admin panel clean — all from one screen.

One-Click Updates
Update any premium plugin or theme instantly. No manual downloads, no FTP — just click "Update Now."

🔑

License Manager
View, activate, and manage all your license keys in one place. No hunting through emails or vendor dashboards.

🔇

Notification Blocker
Blocks intrusive admin nag screens, upsell banners, and ads that clutter your dashboard. Re-enable anytime.

🛡️

Vendor Request Control
Prevents redundant license-check pings to third-party servers for items you already manage through EffectIO.

📦

Bulk Activation
Club members can activate all eligible plugins and themes at once — one button, zero hassle.

🆓

100% Free
The Dashboard itself costs nothing. Install it and it auto-activates on your domain — no key required.

Get Started in 3 Steps

1

Download & Install

Download the EffectIO Dashboard zip and install it via Plugins → Add New → Upload.

2

Browse & Activate

Open EffectIO → Catalog in your admin panel. The dashboard auto-detects your installed items and matches them to your licenses.

3

Update & Manage

Keep everything current with one-click updates. Manage licenses, block nag notices, and enjoy a cleaner WordPress experience.

Licenses

All WordPress derivative work is GPL-licensed. Most items are pre-activated and ready to use. Some require an activation key — we provide it with your purchase, and the Dashboard lets you apply it in seconds.

Club members enjoy bulk activation: activate every eligible item at once with a single click. No more entering keys one by one.

✅ Money-Back Guarantee

Every item is tested and ships with full features. If something doesn't work and we can't fix it, you get a full refund. We believe premium tools should be accessible — that's why we offer a low-cost subscription so freelancers, small businesses, and agencies can grow without a large upfront investment.

Manage and Update all your sites

17.99 $ / Month Membership

2900 Plugins and Themes. Install, Update, Activate and Delete any plugin. Unlimited Sites. Best WP Agency Deal.

Clean Items

NGO Mission

Always Updated

SSL Connection