Fonte: https://support.plesk.com/hc/en-us/articles/4404507735826-Mail-client-provides-warnings-regarding-IMAP-connection-for-Plesk-mailboxes-inotify-initialization-error Resolution Connect to the server via SSH. Check the current per-userid limit of inotify file descriptors: # cat /proc/sys/fs/inotify/max_user_instances 128 Increase this value to a greater one via the command below, for example to 200: # echo “fs.inotify.max_user_instances=200” >> /etc/sysctl.conf Note: Rough … Continua a leggere →

Modificare il file di configurazione: /etc/courier-imap/imapd aumentando MAXDAEMONS e MAXPERIP (di default sono settati a 40 e 4 rispettivamente). Per esempio: MAXDAEMONS=80 MAXPERIP=20