strange IMAP treatment

[hotmifi]

no solution possible at present

[hotmifi]

When reading an email in EspoCRM it is set as read there but not at the IMAP server, so other email clients will show it as unread. This causes problems...

[hotmifi]

SOLVED!
The EspoCRM web directory /var/www/subd.xyz.xx -> /var/www/clients/client0/web1/ is a symlink and EspoCRM does not allow using symlink...

[hotmifi]

I've tried all the suggested changes, no help.

This suggested change:
<Directory /PATH_TO_ESPO/>
AllowOverride All
...