ISC Networking and Telecommunications SMTP-Relay Service
ISC Networking & Telecommunications email service requires
authentication for SMTP access. Certain devices which are capable of
sending email are not able to authenticate and therefore need an
SMTP-Relay server to accept mail. If you have such a device, please
consider setting up your own SMTP-relay server. If you cannot set up
your own SMTP server, smtp-relay.upenn.edu can be used:
- in those cases where the envelope sender and recipient are both
in domains that are hosted by ISC Networking and Telecommunications mail services. Those hosts are:
| ac.upenn.edu |
admissions.upenn.edu |
ben.dev.upenn.edu |
dental.upenn.edu |
| design.upenn.edu |
dolphin.upenn.edu |
ehrs.upenn.edu |
exchange.upenn.edu |
| gse.upenn.edu |
isc.upenn.edu |
mail.med.upenn.edu |
magpi.net |
| pobox.upenn.edu |
sp2.upenn.edu |
zimbra.upenn.edu |
upenn.edu |
- by hosts which have been registered. In this case unauthenticated
email relaying to and from any sender and recipient connecting
from the registered host is allowed.
New hosts that wish to use SMTP-Relay will
need to fill out a registration form that requires PennKey authentication.
The service does not charge for it's use.
Form to request SMTP-Relay
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