SENDMAIL

sendmail -bi       Creates new aliase db from /etc/aliase file.
newaliases

sendmail -bp       Displays the contents of the mail queue
mailq

sendmail -q        Processe the sendmail queue NOW

sendmail -bt -d0.4 < /dev/null
Prints out sendmail version, compile defines and system information

refresh -s sendmail      Restart sendmail, will re-read /etc/sendmail.cf
kill -l (sendmail PID)

stopsrc -s sendmail                 Stops the sendmail daemon
startsrc -s sendmail "-bd -q30"     Starts the sendmail daemon