Common and Uncommon Issues

Images on emails are not showing up

This is a problem that appears randomly and often the same newsletter opened with different clients (Gmail, Outlook, Apple Mail, Yahoo, Thunderbird, Office 365, …) shows different behaviors. Short answer: it’s not a problem with your newsletter or the Newsletter plugin. But let’s see in detail what can be the reason. The first thing to … Read more

This URL has been blocked. Error Code: 4722

This particular error could be seen when saving a newsletter and the action is blocked without any possibility to continue. The message is returned by a hosting provider filter which analyses the content of the sent data (actually your newsletter body, subject, and other parameters) and determines it contains unsafe things. Of course, that is … Read more