Office 365, Email, Exchange, Email to the Help Desk Bouncing Back to the Sender

Email sent to the Help Desk may return with a bounce message that the delivery has failed.

When attempting to send an email to the Technology Services Help Desk from Exchange, the following bounce message may return to the sender:

Delivery has failed to these recipients or groups:

CITES Help Desk
The e-mail address you entered couldn't be found. Please check the recipient's e-mail address and try to resend the message. If the problem continues, please contact your helpdesk.

Diagnostic information for administrators:

Generating server:
#550 5.1.1 RESOLVER.ADR.ExRecipNotFound; not found ##
Exchange attempts to auto-complete names and addresses.  If you have previously sent email to the Help Desk using "CITES Help Desk" this entry will need to be removed from your email client.  Email to the Technology Services Help Desk should be addressed to

For instructions on removing the outdated contact from the Auto-Complete list

Keywords:Exchange, Outlook, auto-complete, autocomplete, delivery failed, bounce, consult, auto-fill, autofill, bounceback,   Doc ID:56618
Owner:Office 3.Group:University of Illinois Technology Services
Created:2015-09-22 10:22 CDTUpdated:2020-01-06 16:26 CDT
Sites:University of Illinois Technology Services
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