Email, Unauthenticated SMTP for campus printers, web services, etc.

This page contains information about outbound-relays (aka Express-SMTP), an email service for on-campus IP addresses.

Who can use Outbound-Relays to send outgoing messages

Any computer, printer, web service or email client in the campus IP space, or on campus private IP space with NAT enabled can use Outbound-Relays to send outbound email messages.  At this time networking has enabled destination specific NAT for all campus private IPs connecting to the email relays.


Configure your on-campus printer or other device to use Outbound-Relays

Set up your device with these connection parameters:




requires an encrypted connection:


reply email address: A valid, deliverable email address OR ''. (Email sent to no-reply is discarded by the email relays.)