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Mailster

Free trial Self-hosted

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Mailster's own site

Plans

PlanBilled and limitsPrice
Starterper year – excl. tax; Special Black Friday price; renewals at full price · 1 Site/Domain · 1 year of support · 1 year of updates · Unlimited subscribers, lists and forms · 3 automations · 10 prechecks/month · 10 free email templates$39 a year
Professionalper year – excl. tax; Special Black Friday price; renewals at full price · 1 Site/Domain · 1 year of support · 1 year of updates · Unlimited subscribers, lists and forms · 10 automations · 100 prechecks/month · 10 free and 7 premium email templates$49 a year
Agencyper year – excl. tax; Special Black Friday price; renewals at full price · 1 Site/Domain · 1 year of support · 1 year of updates · Unlimited subscribers, lists and forms · Unlimited automations · 1000 prechecks/month · 10 free and 7 premium email templates$99 a year

As mailster.co lists them, read 12 Oct 2026. The maker's own page has the final word.

Facts from Mailster's own pages

Analytics
Campaign insights include subscriber click and open rates, location and other activity. · mailster.co, 12 Oct 2026
Campaigns
It supports newsletters, welcome emails, birthday emails, drip campaigns, follow-ups and autoresponders. · mailster.co, 12 Oct 2026
Data and GDPR
Mailster says subscriber data is stored in the customer’s own database and is not shared with third parties; it also describes the product as GDPR compliant. · mailster.co, 12 Oct 2026
Email automation
Yes · mailster.co, 23 Sept 2026
Email delivery
Mailster works with email providers and users’ own servers, and supports SMTP connections out of the box. · mailster.co, 12 Oct 2026
Email editor
Its drag-and-drop editor lets users create campaigns without coding, and it supports customized templates. · mailster.co, 12 Oct 2026
Free plan
No · mailster.co, 23 Sept 2026
Integrations
Listed integrations include Gravity Forms, Mailgun, Gmail, SendGrid, Contact Form 7, Google Analytics and reCaptcha. · mailster.co, 12 Oct 2026
License terms
The maker says the license is not subscription based and that use continues for a lifetime, while updates and personalized support require an active license. · mailster.co, 12 Oct 2026
Product
Mailster is a WordPress newsletter plugin for creating and sending email campaigns. · mailster.co, 12 Oct 2026
Audience segmentation
Yes · mailster.co, 23 Sept 2026
Sending capacity
The maker says delivery depends on server infrastructure and reports customers sending more than 43,000 emails per hour from a VPS. · mailster.co, 12 Oct 2026
Subscriber limits
The product page lists unlimited subscribers, forms and lists. · mailster.co, 12 Oct 2026
Support
Official support is provided through the member area, and the knowledge base offers more than 300 articles, tips and troubleshooting guides. · mailster.co, 12 Oct 2026
Templates
Mailster offers more than 400 free and premium email designs. · mailster.co, 12 Oct 2026
Trial and refund
The site offers a free trial and a 14-day money-back guarantee; it does not state the trial duration on the opened pages. · mailster.co, 12 Oct 2026

Where Mailster stands on Freedom251

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