Skip to main content

Enterprise Information Technology

Open Main MenuClose Main Menu

Multiple layers of spam filters protect Oklahoma State University email systems.


Information Technology uses two levels of spam filtering to clear spam from the email. This protection is in addition to the filtering used by Microsoft for Cowboy Mail and Google for Orange mail.

Getting Started

No action is needed because the spam filters are in place when a person gets an email account.


All users should be vigilant for spam email as no system will filter 100 percent due to the persistence of spammers.


If you have questions about a suspicious email, contact the OSU-IT Helpdesk.

Available to

Students and employees

External Email Warning

When receiving an email from outside of the OSU domain, you will receive the following warning message at the top of the email:


“CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe.”

New Warning 

Older emails from before May 11th, 2020 may display this message instead:

“**External Email – Please verify sender email address before responding.**”


If you believe this message is Spam or a Phishing Attempt, please forward the email to for further assistance.

Frequently Asked Questions (FAQ)

Back To Top
SVG directory not found.