How to manage your licenses for Mailster

The licensing system of Freemius operates on license keys allocated to each product acquired via the platform. When a license key is activated on a site, it provides access to support services and automatic updates for that site. Where to find the license keys? After finalizing an order, you will receive an email from Freemius […]

Read More

Email Health Check

Gmail and Yahoo announced updates to its sender authentication policies, effective February 1, 2024. These changes aim to reduce spam by requiring bulk senders to authenticate emails, support easy unsubscription, and maintain a spam complaint rate under 0.3%. Bulk senders are defined as those sending to 5,000 or more Gmail recipients per day. The updates […]

Read More

Convert your Legacy Forms

Mailster 4.0 introduces a new way to create forms. The new builder is based on the WordPress block editor and your forms created with Mailster before 4.0 need to be converted. Legacy Forms will work in the future but we decided to no longer keep them updated in favor of block forms.

Read More

How can I upgrade my license?

You can upgrade your license directly from the plugin if you go to Newsletter => Account and click on the “Change Plan” button: If you have white-labeled your license you have to insert your license key first. On the following page, you can upgrade your license by inserting your payment details. Optionally you can choose […]

Read More

Use Advanced Custom Fields in your Newsletter Campaigns

Advanced Custom Fields is a popular plugin that can help you add extra content fields to your WordPress edit screens. These extra content fields are more commonly referred to as Custom Fields and can allow you to build websites faster and educate your clients quicker. With Mailster you can use these fields inside your email […]

Read More

Warm up your email delivery method.

If you just started with email marketing or switched your delivery provider or even our domain or IP address it’s a good practice to not start blasting your provider with too many emails at once.

Read More

Send your emails as fast as possible.

Mailster sends you emails in batches. While this is a technical limitation it also prevents sending too many emails at once which causes server timeouts and even gets banned from your email delivery provider.

Read More

Grace Period

In Mailster you can have multiple autoresponders to trigger your campaigns automatically. Some of them have a date or timestamp to get triggered within a certain timeframe. To not go way back to the beginning of time (and to accidentally sent to all your subscribers) Mailster uses a “Grace Period”.

Read More

Permalink Structure

Mailster uses custom rewrite rules to process certain actions and to route users on the newsletter homepage. If you have problems with links this article can help.

Read More

Working with animated GIFs in Mailster

Animated Gifs can bring some life to your email marketing campaigns. Since Mailster uses WordPress native methods to resize images, so they fit correctly and reduce file size, the animation is may lost during this process.

Read More

Mailster and GDPR

The General Data Protection Regulation (GDPR) is enforceable as law in all EU member states on May 25, 2018. While Mailster is in technical compliance with this law you may have to bring some additional things in place to make the whole process compliant for your site.

Read More

Segmentation in Mailster

With segmentation, you can easily narrow down your target audience, allowing for more precise targeting. This enables you to send your campaigns exclusively to specific user groups, optimizing the effectiveness of your marketing efforts.

Read More

What is DKIM (DomainKeys Identified Mail)?

DKIM stands for DomainKeys Identified Mail and is a method for associating a domain name to an email message (Wikipedia) If you don’t have a verified domain and you have enabled the DKIM checkbox on the settings page you get a big red box a white input field.

Read More