Category Errors

What is a Mail Delivery Subsystem?

A Mail Delivery Subsystem is a service that sends email to recipients. When an email bounces, you will receive an email with the subject “Failed Delivery”. This message is produced automatically and is usually followed by a reason why the…

How to Fix the “Blocked Plug-In” Error on Macs

Blocking plug-ins on Macs is a common problem. Apple’s security system recognizes that a given app poses a potential risk and forces developers to either update their code or abide by iOS regulations. This article will explain how to fix…