This document deals with SMTP (Email) related issues for sending email messages from the PINsafe server. For SMTP transport please check these and Resolving Security String Issues
PINsafe 3.x SMTP gateway
The PINsafe server is unable to send Email to the email gateway
Check the PINsafe servers logs
Check network connectivity, can a telnet connection be made from the PINsafe server to the Email Gateway
When using Exchange the Exchange server may need to add the PINsafe server to allow it to receive SMTP
Is authentication required?