I used to use Outlook for email: Outlook 2000 (insecure, nasty); Outlook 2002 (also insecure & nasty); even Outlook 2003 (less insecure, but still nasty – and butt-ugly, too).
Ten years ago (more or less), I switched to Thunderbird. I don’t recall any serious problems, over the years. It was nice.
Alas, the end is near for Thunderbird. Earlier this month, the developers lost interest in their application:
Much of Mozilla’s leadership – including that of the Thunderbird team – has come to the conclusion that on-going stability is the most important thing, and that continued innovation in Thunderbird is not a priority for Mozilla’s product efforts. … As a result, the Thunderbird team has developed a plan that provides both stability for Thunderbird’s current state and allows the Thunderbird community to innovate if it chooses.
The denials began immediately:
Thunderbird is not dead. Not by a long shot. Please don’t overreact. We’re simply not going to pour resources into trying to “innovate” on Thunderbird.
If that’s not dead, what is?