[Faccus] Potential issue with @edu.uwaterloo.ca email delivery from private networks

Darren Bondy darren.bondy at uwaterloo.ca
Thu Mar 23 13:37:13 EDT 2017

What is happening? As undergraduate students move to the EDU email domain, devices such as scanners and printers which have the functionality to send emails, and belong to a private subnet, will not be able to forward emails to @edu.uwaterloo.ca accounts. This is because, by design, private subnets are separated from the outside world. Since @edu.uwaterloo.ca is a Microsoft system external to the University, it is unreachable.

Who does this impact? Many undergraduate students are already using @edu.uwaterloo.ca email accounts. As of April 25 all undergraduate students will be migrated to @edu.uwaterloo.ca.

What you can do to resolve it: Any device on a private subnet that sends email must authenticate using a "service account" to a designated IST mail relay server. IST will grant the service account permission to the mail system upon request. Some older devices may not support SSL/TLS and cannot be configured to authenticate. These will be restricted to sending email to on campus accounts only.

Questions or concerns? Please contact the IST Service Desk, 519-888-4567, ext. 44357, or helpdesk at uwaterloo.ca<mailto:helpdesk at uwaterloo.ca>.

Recipients of this message: ist-staff, isthd, admin-support, faccus

Darren Bondy
Information Systems and Technology
(519)888-4567 x49525
University of Waterloo, Waterloo, ON

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