To configure the Cyberoam to use the SatNAG mail server:
System->Configuration->Notification
SMTP SERVER: satnag.unols.org (137.229.113.13)
SMTP PORT: 25
STARTTLS: true
USERNAME: [contact satNAG for user/pw]
To hash the username:
echo -n "[username]" | sha1sum | awk '{print $1}'