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