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ISC Networking & Telecommunications Email Services - Zimbra

Service Features

  • Integrated Email, Calendaring, Tasks, and Contacts with the following clients:
    • Windows: Outlook 2007, Outlook 2010 (Zimbra Connector for Outlook required)
    • Mac OS X: Zimbra Web Client, Advanced Edition at
    • Handhelds: Windows Mobile 5.0/6.0, Windows Phone 7, Palm + ActiveSync (for calendar/contacts), Apple iPhone via ActiveSync or iZimbra web interface.
  • Email using any supported IMAP or POP client (see the Supported Products page for the current list of Email clients).
  • addressing, in addition to and the option of other hosted domains.
  • Virus scanning and spam filtering of all email.
  • Mobile Access from supported handheld devices.
  • Unified Messaging for PennNet Phone subscribers.
  • 1 GB disk quota for all, email, calendaring, tasks, and contacts items.
  • Additional disk quota for a fee (see Rates page), up to 4 GB max quota.
  • Please note that the size of any individual mail message that is sent or received cannot be greater than 30MB.
  • File restorations
  • Account Management for Local Support Providers (LSPs) to create, modify and view accounts they manage.
  • Account Management for users.
  • Account self-provisioning for student

Service Alerts

Exchange, Forward-Only, and Zimbra Service Alert

Date: October 9, 2014
Start Time: 6:00am
Duration: 1 hour
Services Affected: Exchange, Zimbra, Forward-Only
Destription:On October 9, 2014, between 6:00 and 7:00am we will upgrade our mail routing infrastructure. Our mail routing is a central service and directs mail for Exchange, Zimbra, and Forward-Only. All three services will be unavailable during the upgrade. Incoming mail will be queued, and delivered when our systems are back online. There should be no loss of mail.

We are trying to coordinate with our message sanitization vendor MessageLabs, but there is a possibility they will not enforce the change as quickly as we would like. If that happens there will continue to be a mail delivery delay beyond our maintenance window, and we will let LSPs know by updating our service web site at

Information Systems and Computing
University of Pennsylvania
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Information Systems and Computing, University of Pennsylvania