Re: Very slow mail download/notification with dovecot 2.3.7 and Thunderbird​

[Aki Tuomi]

> On 28/12/2020 13:15 Juri Haberland <juri at koschikode.com> wrote:
> 
>  
> On 28/12/2020 09:44, Matthias Fechner wrote:
> > Am 27.12.2020 um 16:11 schrieb Juri Haberland:
> >> I can't help you with your performance problem, but for Thunderbird to
> >> check all folders, you need to set "mail.check_all_imap_folders_for_new"
> >> to 'true' in the Thunderbird config editor.
> > 
> > I think the setting is:
> > mail.server.default.check_all_folders_for_new;true
> 
> Both settings exist, but you are right, my setting is deprecated:
> 
> From
> http://kb.mozillazine.org/Checking_for_new_messages_in_other_folders_%28Thunderbird%29#IMAP:
> >      Thunderbird used to support setting mail.check_all_imap_folders_for_new to true to make it check every remote folder for new mail. The downside was there is no way to exclude a specific folder (such as a junk mail folder). However, that setting was replaced in version 5.0 with server-specific ones. Set mail.server.default.check_all_folders_for_new to true instead to make it effective for all accounts using the Config Editor. 
> 
> 
> Regards,
>   Juri

Try adding `mail_debug=yes` to your dovecot config and check logs

Aki