When you send out your campaigns but your statistics say none of your subscriber open or click your campaign follow these steps
Send a test campaign
By sending a test campaign you can test the links. Mailster will wrap links in tracking links which do not actually track so it wont affect your statistics. If you have problems check out this article
Are you behind a firewall?
To track opens and clicks Mailster has to be accessible from outside. If you have a firewall or any kind of proxy the tracking data may not get through. Ask your host for more information.
Password protection via htaccess
You can limit access to your website via htaccess. While this increase security it will also block email clients from sending tracking data to your Mailster.
Existing “mailster” folder on your Webserver
Make sure you don’t have a folder called “mailster” in the root of your webserver next to the WordPress “wp-content”, “wp-admin” and “wp-includes” folders.
Give your subscribers some time
often people are just in parks or out of office. Stay tuned and the will come