Your provider doesn’t allow you to send bulk mails or even block outgoing mails completely. You can always use a dedicate email provider: SendGrid Mandrill Amazon SES SparkPost Please check out the free plugins for available delivery methods on the WordPress repo
How can I update to the latest version?
The easiest way to update Mailster is like a regular WordPress plugin from the repo. Just visit the Updates page of your WordPress site and update the plugin. If you have “automatic update” enabled in the settings Mailster will get updated automatically. If you have trouble updating check our guide on why is my plugin […]
How can I increase my memory limit?
If you get a PHP error like “Allowed memory size of xxx bytes exhausted” you have to increase your memory limit. To do so you have to open the wp-config.php file from your WordPress root directory and add the following line Some hosts don’t allow these changes (or it has no effect). Often it gets […]
The latest cronjob hasn’t been finished
Sometimes sending emails can take longer than expected. This can cause a server timeout and wrong statistics in some cases. You’ll get a notification in this case: Also if you’re on the cron.php page you get this: If this is a temporary problem and the notification box vanishes by itself you can ignore it but […]
How can I prevent that my campaigns went in spam folder?
The best way to avoid Spam filters when sending email campaigns: Also, make sure you follow your local legal guidelines. Run a Precheck Mailster has a built-in option to run a precheck on your campaign which gives you a good overview of what you can improve. An excellent service that gives even better information is […]
Mailster doesn’t work with [third party plugin]
We do our best to keep Mailster working best with the most common plugins by following the WordPress Coding Standards but sometimes Mailster or a third-party plugin breaks caused by the other. The best is to disable one of the plugins and check if the other is still not working. If so the plugin you’ve disabled […]
Why are my auto responders not getting send?
To set up your custom autoresponder can take some time and even then you may have trouble getting things going. Please check the following points if you have troubles with your autoresponders:
Why my campaigns do not get sent?
If you have created your campaign and it’s ready to get sent you probably see no progress and no mail gets sent.
Why I get a “Could not execute: /usr/sbin/sendmail” error message?
Sendmail is a mail transfer client which is used by many providers Sendmail isn’t designed for bulk mailings in the first place. However, you can still use it for this purpose. Some providers have limits so you may have successfully sent emails via Sendmail and it suddenly throws that error. If you like to bypass […]