If filtering fails, say due to account quota issues, disable for remaineder of login session. This plugin appears to have a more serious issue that corrupts folder cache in subfolders of INBOX git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@14469 7612ce4b-ef26-0410-bec9-ea0150e637f0