There is still, somehow, nothing I've found that's better than Thunderbird for an open source desktop GUI email client. Little choice but to allow it for many u

There is still, somehow, nothing I've found that's better than Thunderbird for an open source desktop GUI email client. Little choice but to allow it for many users like myself. Worse still - even many of the proprietary ones now rely on 3rd party servers for "cloud" features, or are bloated and ugly electron apps.