
Username: Set/Verify the following settings for the outgoing SMTP server:
From the Account Settings window, click "Server Settings" under the account Set/Verify the following settings for the incoming IMAP server:. When it completes and fails to automatically configure the process, click the "Manual Setup." button. Thunderbird will attempt to automatically configure your incoming and outgoing account settings. On the resulting Mail Account Setup wizard window, enter the requested information as shown below and click "Continue.". If you do not see the "Tools" menu, right-click the top of your window and select "Menu Bar." If the wizard does not appear automatically, go to "Tools" > "Account Settings" > "Account Actions" (button) > "Add Mail Account" from within Thunderbird. Press the "Skip this and use my existing email" button: Do not choose to set up a new email address. If so, select "Set as Default." Otherwise, choose "Skip Integration." If this is the first time you have launched Thunderbird, select whether you want to use Thunderbird as your default mail client. Actual steps may vary depending on the version of Thunderbird you are using. The following steps outline the process you would follow to configure Mozilla Thunderbird version 31.1 to connect to your CSU Office 365 account. For calendaring purposes, including creating and responding to meeting invitations, you must use Outlook installed on a PC or Mac or log in to the Office 365 Portal. Note: An IMAP e-mail client only provides access to e-mail. Please contact the Central IT Help Desk for configuration details for that service. Note: ACNS supports a locally hosted smtp service () for use with on campus web apps, software applications, printers, scanners, etc. Outgoing SMTP Server Username: SMTP Connection Security (if applicable): STARTTLS or Auto Office 365 SMTP Settings (Outgoing Server Settings) Incoming Server Username: Server Port: 993
If you have questions regarding the setup or configuration of your e-mail program, please consult your local IT support staff or contact Secure IMAP Settings (Incoming Server Settings)
The information below is intended to act as a reference when configuring an e-mail client and can be used to specify the appropriate values in the "Account Settings" (or similarly-named) section of your e-mail client for incoming and/or outgoing e-mail.
CSU's Office 365 tenant supports secure IMAP connections for accessing a mailbox and authenticated SMTP to send e-mail from Office 365.