Information Services strongly recommends using Outlook and the Office 365 configuration for email clients, for further instructions to connect your mailbox using Outlook and Office 365 please review BlueM@il: Accessing Your DePaul Email.

POP3 or IMAP4 connection types are available for special circumstances and upon request.

Please note:

• Programs using POP3 or IMAP4 to connect to Exchange Online must support Modern Authentication.
• Some new programs may require an additional approval; please submit a general Service Now Infrastructure Request.
• POP3 and IMAP4 provide access to the basic email features of Exchange Online and allow for offline email access, but do not offer rich email, calendaring, and contact management, or other features that are available when connecting with Outlook and Outlook on the Web (OWA).

After you have submitted a request and been approved for this type of connection, the following settings can be used to configure your device:

Protocol	Server name	Port	Encryption method
POP3	outlook.office365.com	995	SSL/TLS
IMAP4	outlook.office365.com	993	SSL/TLS
SMTP	smtp.office365.com	587	STARTTLS