^\w{3} [ :0-9]{11} [._[:alnum:]-]+ gnu-imap4d\[[0-9]+\]: Incoming connection opened$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ gnu-imap4d\[[0-9]+\]: connect from [\.0-9]+$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ gnu-imap4d\[[0-9]+\]: User '[[:alnum:]]+' logged in$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ gnu-imap4d\[[0-9]+\]: Session timed out for user: [[:alnum:]]+$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ gnu-imap4d\[[0-9]+\]: got signal Alarm clock$