Documentation can be found at http://tcllib.sourceforge.net/doc/smtp.html ---- Here's a minimal useful example: proc send_simple_message {recipient email_server subject body} { package require smtp package require mime set token [mime::initialize -canonical text/plain -string $body] mime::setheader $token Subject $subject smtp::sendmessage $token \ -recipients $recipient -servers $email_server mime::finalize $token } send_simple_message claird@neosoft.com starbase.neosoft.com \ "This is the subject." "This is the message." ---- [Category Package], subset [Tcllib]