Specifies how FTGate will send mail to its intended recipients.
SMTP Hosts :
Deliver mail to SMTP hosts listed in the order shown
MX Hosts :
Deliver messages using DNS/MX records
If delivery fails:
Deliver mail to SMTP hosts
Hold mail in queue for later delivery
Queue Options :
Specifies how long FTGate will hold undelivered mail in the delivery queue.
Delivery Optimisation :
Disable delivery optimisation and send each message in a separate SMTP session