eximstate is a server/client project for
monitoring a number of Exim installations. The
clients are installed on each of the mailservers
running exim and the server runs on the monitoring
server. Each client reads the queue on the mail
server and sends the total number of messages, the
number of frozen message, and the number of bounce
messages to the server. The server stores this
data and uses RRDtool to make a graphical
representations of the data.