SPF Filters for Email

Beginning June 27, 2016, MSU will implement an email-validation system using SPF filters designed to detect email spoofing. Email spam and phishing often use forged "from" addresses, so publishing and checking SPF records are considered to be anti-spam techniques.

Users may see [POSSIBLE SPAM] in the subject line of some emails, which may indicate that the from address is not valid. However, we recommend that users read the email carefully to determine the validity of the email. If the email appears to be spam, the user need only delete the email.

If you question the validity of an email, contact the Service Desk at 270-809-2346 or msu.servicedesk@murraystate.edu.


What are SPF filters/records? 
An SPF (Sender Policy Framework) record is a type of Domain Name Service (DNS) record that identifies which mail servers are permitted to send email on behalf of your domain. The purpose of an SPF record is to prevent spammers from sending messages with forged From addresses at your domain. (Source: https://support.google.com/a/answer/33786?hl=en)


Example of what you might see: 

Possible Spam Email Subject Line Example 


Article ID: 23183
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Tue 11/19/19 9:45 AM