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EMAIL TAGGING INFORMATION

Email received from senders outside the University will be tagged with notifications in the subject line of the email:

Email TagInformation
[EXTERNAL]

Applied to all email received that originates from outside of The University of North Carolina at Charlotte

The university uses some 3rd party vendors to send emails - these emails may also be tagged as [EXTERNAL]

[SUSPICIOUS]
  • Applied to any email that does not pass security verifications
  • Email marked as [SUSPICIOUS] will be delivered to Inbox
  • Security verifications include:
    • Failed DKIM Authentication (failure to validate)
    • SPF Verification Failures (SPF check failure)
    • Possible Sender Spoofing Detected

Email from valid senders and business partners could be marked as suspicious if not configured to send in a way that meets our security requirements.

If the message is from a trusted University vendor partner (sent on behalf of the University), OneIT Security Services can review - submit a ticket


EMAIL DELIVERY INFORMATION

Before taking any additional actions when not receiving emails, first check your Spam folder - see this FAQ for additional information.

You may hear from colleagues about emails that were sent, but not received by you.  The following table lists some reasons why a message may not be delivered.


ScenarioReason for Tag/BlockAction for Sender
1Email contains a URL (website link)The University safeguards against malicious / suspicious URLs in email (email will be blocked)If legitimate email, request sender remove URLs from message and resend
2Email contains an attachment

The University safeguards against malicious / suspicious attachments in email (the following attachment types will be dropped from the email and replaced with a message to the recipient)

  • Executable files (.exe, java, .mrc, .msi, .tif, .sis)

If legitimate file sharing email, have sender share via a file sharing platform (Google Drive or Dropbox)

3Mass email sent from vendorThe University requires all email meet standard email authentication practices (tagged as [SUSPICIOUS] and delivered to Inbox)
  • If message is from a trusted University vendor partner (sending on behalf of the University), OneIT Security Services can review - submit a ticket
  • If message is from an external sender not affiliated with the University, the sender would need to establish standard email authentication practices
    • There is nothing the recipient can do to fix the problem except to notify the sender of the University's authentication requirements. The recipient can refer the sender to the information found at the What is DKIM FAQ or What is DMARC FAQ - the sender needs to fix their email sending practices
4Email sent from private domainThe University requires all email meet standard email authentication practices (tagged as [SUSPICIOUS] and delivered to Inbox)See above Action for Sender
5Email is encryptedNo action taken

Encrypted email will be delivered to recipients mailbox, however, you should be cautious when opening encrypted emails from senders you do not know

If you find a legitimate message in Spam, you can create a filter for future emails to be delivered to your Inbox - see this FAQ.

As a recipient, there may be nothing you can do to solve these issues other than to relay the problem that was encountered to the sender of the email.  Additionally, OneIT will not be able to resolve delivery issues other than those originating from our domains (@uncc.edu & @charlotte.edu).



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