Thunderbird ignores some folders

[Alex Crow]

IPad email client shows unsubscribed folders (?) whereas by default TB 
does not (see server settings->advanced under the account).

Just a guess...

Alex


On 03/10/14 19:03, dovecot.pkoch at dfgh.net wrote:
> Dear readers
>
> we are using Dovecot 2.2.7 and all of our users are using Thunderbird as
> their mail client. Some of them additionally use their iPad/iPhone and a
> very few an Android Mail-Client.
>
> Now one user noticed that two of his mail folders disappeared. He first
> believed that he accidentally deleted those folders but then he realized
> that they are still visible from his iPad. I checked this users maildir and
> everything looks normal. Deleting the index-files made no difference: New
> index-files were created but those two folders are still invisable from
> Thunderbird.
>
> My main concern is to find the reason for this behaviour. Maybe folders of
> other users have disappeared and they have not yet noticed. A fresh
> installation of Thunderbird will most likely fix this single users problem,
> but I cannot do this for all of our users.
>
> So here's my question: How would I debug such a situation?
>
> Kind regards
>
> Peter Koch
>
> And here's our config file:
>
> # Dovecot configuration file
>
> default_process_limit = 2048
>
> protocols = imap
> listen    = *
> base_dir  = /var/dovecot/
>
> mail_location = maildir:/mail/%u:LAYOUT=fs
>
> ssl_cert = </etc/ssl/certs/naev+chain.crt
> ssl_key  = </etc/ssl/private/naev.key
> ssl_ca   = </etc/ssl/certs/naev-ca.crt
> ssl_verify_client_cert  = yes
> ssl_cert_username_field = x500UniqueIdentifier
> auth_ssl_username_from_cert = yes
>
> service imap-login {
>    inet_listener imap {
>      port = 0
>    }
> }
>
> service auth {
>    client_limit = 4096
> }
>
> service anvil {
>    client_limit = 5000
> }
>
> passdb {
>    driver = checkpassword
>    args   = /usr/dovecot/bin/checkpassword
> }
>
> userdb {
>    driver          = passwd
>    override_fields = home=/mail/%u
> }
>
> protocol imap {
>     mail_max_userip_connections = 1000
> }
>