How to Determine Mailbox Classification


To determine the client for a Penn State e-mail account please follow the steps provided. 

Penn State Directory showing Full Listing Option

  1. Go to in your web browser.
  2. Search for your user ID using the full listing option.
  3. Find address details of the “Mailbox” section.
    1. If a address is present (example then an IMAP or POP configuration is utilized.
    2. If appears (example,, then the account is a departmental e-mail service.
    3. If a non-PSU e-mail address is listed (example,,, then a third-party host is the e-mail service provider.


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