Download of mstone+docs-4.9.tar.gz (mstone+docs-4.9.tar.gz ( external link: SF.net): 548,681 bytes) will begin shortly. If not so, click link on the left.
Mstone is a mail performance measurement system. It can simultaneously test SMTP, POP, IMAP, and some HTML based systems. It measures transaction latency in multiple stages, and graphs the combined results from multiple clients.