Re: Suggestions for mail client

On Mon, Sep 16, 2024 at 11:45:08AM +0200, Andrea Venturoli wrote:

>I've been a progressively unhappier ThunderBird user for almost the 
>last 20 years; the upgrade to 115 brough a general slowness...
...
>_ multiple accounts: I've got more than 50, although I use less than 
>10 daily and I could leave the other 40 in ThunderBird for occasional use;
...
>_ support for big folders (in the GBs size and or 10k messages);

That's a lot of mail.

Have you experimented with Thunderbird's cache settings?  There are 
some in the GUI (Settings->General->Disk Space), and more available 
through the config editor.