I’ve been using Thunderbird as my email client on my Mac because Mac Mail does not have the business and multi-account features I need.  I’d use Outlook for Mac, but it will not support Google Calendar – only Exchange calendar.  So Thunderbird has been the go-to solution for me.

But Thunderbird has a little problem:  It can pull a Dementor on your CPU.

A Dementor treating Harry Potter like Thunderbird treated my CPU

In my case, Thunderbird is running on a Mac Pro with 8 cores and 26GB of ram – so the problem was not system resources… it was something else. Continue reading →