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ISC Networking and Telecommunications Email Services

ISC Networking & Telecommunications offers two email services:

Select Zimbra if your organization:

  • supports a mix of PC, Mac or Linux clients for mail.
  • does not depend on third-party client access to a calendar system. The Zimbra web client has full-featured calendar support. There is limited support for other third-party clients at this time and separate credentials are required for calendar access.
  • depends on ISC's recommended authentication platform, Kerberos.
  • is a school that wishes to allow students to self-provision accounts.
  • wishes to suport only a full-featured web client that works in any modern browser, or the same cross-platform client.
  • considers cost a strong factor in your decision making.

Select Exchange if your organization:

  • supports a majority of PC clients. Microsoft Entourage provides access to Exchange services for Mac users, but there are substantial feature gaps between Entourage and Outlook.
  • does not depend on ISC's recommended authentication platform, Kerberos.
  • has webmail users who primarily use the Internet Explorer browser. Other browsers offer less functionality with Outlook Web Access.
  • does not consider cost a strong factor in your decision making.

Select both services if your organization:

  • has a mix of business users, faculty, and students, and you support different classes of service for those constituencies.
  • does not require full-featured scheduling across platforms and across services.
Consult with ISC regarding your service selection if there are mitigating factors not listed here.

Service Alerts

Results of our service monitoring of components of the PennO365 service are now available along with the rest of our monitoring of ISC services on the Current Service Status link above. We are still working on making available Microsoft service announcements about the service.

PennO365

8/20/2016 7:00am - Microsoft developed a fix which they have been testing since 9:28pm, 8/19 before deploying into production but we have not received any additional alarms from our local monitoring indicating mail delivery delays as we did yesterday.

8/19/2016, 3:00pm - Microsoft has indicated the below alerts are still in effect. If there are any updates or changes we will update this page.
  • From Microsoft: Current Status: We’ve identified a code defect that caused the component responsible for processing Office 365 iOS application sign-in requests to become degraded. We’re developing a fix which will be tested and deployed to remediate impact. User Impact: Users may be unable to sign-in to the Office 365 service through their associated iOS applications. Note: This issue does not impact Multi-Factor Authentication (MFA) requests. Scope of Impact: A few customers have reported this issue, and our analysis indicates that the majority of iOS users may experience impact.

8/19/2016, 7:00am - Our service monitor detected some slowness in mail delivery for the PennO365 service which also seems to be resolving as quickly as it's being reported. While we have not been able to duplicate this slowness, Microsoft has issued two warnings about the service and they are actively working on the problem. Updates are above. Given our own experience we suspect that the impact will be intermittent and minimal but we will send updates as they become available.

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Information Systems and Computing, University of Pennsylvania