It is a shame... But I am much more irritated, lacking a better term, with the chronicall lacking of a proper mail client for Linux. Thunderbird is the best as

It is a shame... But I am much more irritated, lacking a better term, with the chronicall lacking of a proper mail client for Linux. Thunderbird is the best as far as I used them, but I am not satisfied with the performance, UK and features, especially considering Windows only counterparts.