Mailster – Email Newsletter Plugin for WordPress
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Version
4.1.21
Changelog
Updated
Auto-update
Yes
How it works
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Updates & install — both one click
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01 · UPDATES
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Clean
Details
Members can request updates and report problems from here.
About this plugin
Mailster is a brilliant email newsletter plugin for WordPress that lets you create, send, and automate email campaigns straight from your dashboard.
It’s perfect for bloggers, small businesses, and marketers who want full control over their mailing list without paying monthly fees to third-party services. Built-in autoresponders and a drag-and-drop campaign builder make it easy to get going, and it integrates nicely with WooCommerce and popular form plugins to grow your subscriber list effortlessly.
Changelog
Version 4.1.21
Latest 19 Oct 20261 new2 improved7 fixed
New
- Bulk actions to add or remove tags on the subscribers list
Improved
- Subscriber list tags and lists link to a filtered view of matching subscribers
- 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)
Fixed
- Retina loading spinner 404 when legacy form styles are printed inline
- All status filter count on subscribers screen showing 0
- Tags with numeric names (e.g. "2026") can be created and assigned
- Mailster_list_removed and mailster_tag_removed no longer run when the subscriber was not on that list or tag
- List-based unsubscribe still succeeds when the subscriber is not on every campaign list
- Image placeholder endpoint no longer allows unbounded image sizes
- Numeric custom date fields now keep date operators, formatted values, and export date formats
Key features
- Custom Post Type Sending: Send latest posts, products, events, or other custom post types in newsletter campaigns.
- Welcome Email Series: Set up a welcome series for new subscribers.
- Template Selection: Choose from more than 400 free and premium designs for your campaigns.
- GDPR Compliance: Store subscriber data in your own database without transferring it to third parties.
- Unlimited Subscribers: Create as many subscribers, forms, and lists as you need.
- Any Email Provider: Use Mailster with any email provider, including a professional provider or your own server.
- RSS to Email: Automatically import new posts from a third-party site into emails and send them to subscribers.
- Time Zone Sending: Send campaigns based on the time zone of your subscribers.
- Subscriber Analysis: Analyse subscriber data to target your marketing strategy according to their needs.
- Merge Tags: Use customisable merge tags to replace placeholders with subscriber-specific content.
- Campaign Segmentation: Create targeted campaigns using segmentation and multiple metrics.
- Campaign Insights: Track campaigns and subscribers with real time insights into click rates, open rates, location, and other activities.
Security scan
No threats found in 2 files
- Scanned with ClamAV 1.4.6
- Scanned on 19 Oct 2026
- Signatures from 19 Oct 2026
Mailster
4.8 MB
SHA-256
577c6de636ad718c4d415febfc260e18607f6ec7aa273d30a8dbb93cc0bb4df4
Mailster Templates
805.7 KB
SHA-256
36ee7bde81a18642ca53ddd997be2cc5e8559d0e33b22852080785dac6e9993a
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