Whenever a subscriber clicks a link in a campaign Mailster sets a cookie on your domain to identify the user at a later point. This is required as often the subscriber doesn’t have an account on your site or is not logged in.
General
List Based and Global Subscriptions
Mailster can handle subscriptions in two different ways. List based subscriptions (default) Global subscriptions
Reset limit for this license has been reached.
Your Mailster license is valid for a single site/domain. Read more about License info here.
Licensing Information
Mailster is sold exclusively on CodeCanyon (an Envato Marketplace) and the official license agreements are applied to your purchased license. The license is given in form of a unique key (purchase code) which will be used during registration and must be kept secret.
How to migrate Mailster to a new site
With a single license you can use Mailster on one site per license. If you like to use your license on a different domain and move all the data from Site A to Site B you have to follow some steps.

User Ratings
User or Subscriber ratings are a quick way to see the most engaging subscribers in Mailster.
Implementing a re-permission program for GDPR
The new General Data Protection Regulation (GDPR) requires you to have consent for all of your subscribers. Not only the new one but also for your existing once. To get the consent of your subscribers in Mailster you should send a dedicate campaign to all your subscribers and ask the to give you permission to […]
Adding Posts to your Campaign
One of the core features of Mailster is the deeply integration with WordPress. To get your posts and articles into your campaign you have two ways to add them. Next to regular posts you can also include pages or any custom post type in the same fashion.
Setup Automatic Bounce Handling
Mailster can automatically process bounces which requires some setup. All mails sent before this setup do not get processed. Enter a Bounce Address on the Bounce tab in the settings and enable automatic bounce handling. This will reveal further options and you have to enter the credentials of your bounce email server. In the next […]
Updating MyMail to Mailster
Providing our customer with the best email marketing software possible to increase their interaction and grow their business has always been our main goal. To serve you even better in the future we are changing some important things on how we manage and help our customers.
What is a Cron Lock?
When Mailster sends your campaigns it wants to make sure no duplicate mails reach your customers. For this reason a cron lock gets created when Mailster processes the queue. After you or a third party triggers the cron url Mailster requests a lock so no other request can overlap (more on how to setup a cron). […]
Why does support expire?
In September 2015 Envato introduced a new way support gets handled. All items purchased after the 1st of September 2015 are under these new terms and authors have to apply to them. 6 Month included With every purchase on the Envato Marketplaces you get 6 months support included. How can I renew my Support? You can […]
Why is my WordPress version no longer supported?
WordPress gets constantly updated and every update brings new features and fixes bugs. Will the plugin no longer work with a WordPress version which is no longer supported? No, if the plugin worked in the past it will most likely work in the future. Sometimes features not available in this version will cause an error which […]
How does tracking in Mailster work?
With Mailster you can track opens, clicks unsubscribes and bounces.
Choosing your Delivery Method
Mailster offers by default two delivery methods: Simple SMTP Additionally you can add more methods with plugins. Simple This is the default method and is not recommended for bulk mailing in general. Often providers limit the amount of mails which can be sent with this method to prevent spammers. Talk to your host about the […]
How can I manually upload Mailster templates?
If you don’t like or not able to upload the templates via the Templates section you can upload the files via FTP. Extract the archive you’ve downloaded Copy the extracted folder to your webspace into “wp-content/uploads/mailster/templates” Keep in mind that the “wp-content” folder has maybe a different name on your WordPress site. You can now […]
How colors work with the Mailster Editor?
Colors in the Mailster Editor depend on the currently used template. Mailster scans the raw HTML and group same colors together. This works only for 6 digit hex colors like #FFFFFF If you’re using the short version #FFF Mailster will ignore this color and they cannot get changed via the options panel. Merging Colors If […]
How can I setup the newsletter homepage?
The newsletter homepage is a static page which is required to make the subscription and unsubscription progress work correctly. If you activate Mailster you’ll get ask to create the newsletter homepage during the setup process. By default it’s called Newsletter and can get accessed via
Is there a developer/multi-use license?
Many customers have inquired about being able to use my items on multiple sites. Currently, Envato only offers a single-use license. I would love to see a developer’s license or volume pricing available, but that has not yet become a reality. There’s a petitioned for multi-use licenses on the forum, but unfortunately there have not […]
Can I add attachments to my newsletter?
You can add attachments to your campaigns by using the attachment meta box on the campaign edit screen. You can add any attachment you can upload to your site with a maximum total size of 1MB. You can alter the limit by using this filter hook: add_filter( ‘mailster_attachments_max_filesize’, function() { // Return 5MB return 1024 * 1024 […]
How can I open the browsers console?
The Browser Console contains important information on Errors. While most of the errors shown are JavaScript related some server related information can get displayed as well. Chrome: Press either CTRL + SHIFT + J to open the “console” tab of the Developer Tools. Alternative method: Press either CTRL + SHIFT + I or F12 to open […]
How can I setup a cron job?
If you have problems with sending your campaigns you may have not setup your cron correctly. There a two ways to trigger the send progress: wp-cron If you select the WordPress native cron solution you don’t have to take any further actions. WordPress will send your campaigns in your defined interval. This method has some […]
What is the CAN-SPAM act and do my newsletters have to comply?
The CAN-SPAM Act of 2003 (15 U.S.C. 7701, et seq., Public Law No. 108-187, was S.877 of the 108th United States Congress), signed into law by President George W. Bush on December 16, 2003, establishes the United States’ first national standards for the sending of commercial e-mail and requires the Federal Trade Commission (FTC) to […]
How do I export my subscribers?
You can export your subscribers on the “Manage Subscribers” page. Click in the “Export” tab on the top and select the lists which subscribers do you like to export. You can select the Lists and the Status your subscribers are in. You can change the order of the columns and deselected certain columns to exclude them.
Where’s my purchase code?
Every time you purchase an item on one of the marketplaces you’ll get an unique purchase or license code. Follow these steps to get it: