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ITS has received reports from faculty and students that they are not able to reply to email that was sent from the Blackboard system. 

Issue Description

When an Announcement is posted in a Blackboard course and the Instructor selects the check box for Send a copy of this announcement immediately, the system will send the Announcement to the email address of students enrolled in the course.  In some cases, when the student attempts reply to the message, their reply cannot be delivered.  This is because the Blackboard system sends email in accordance with widely accepted security protocol intended to assure the identify of email senders. 

In this case, Blackboard inserts the email address "" in the From field of the email header, but the Instructor's email address in the Reply-to field of the email header.  So, recipients of such emails that contain "" in the From field, and whose email client does not use the Reply-to field that contains the Instructor (individual sender) email address, are not able to reply to them.  One example of such an email client is Windows 10 Mail.

Read more about this protocol here: DMARC overview

Who's Affected

Users with some email clients (such as Windows 10 Mail) that do not use the "Reply-to" header sent by Blackboard Learn.

Known Issue Description


Release: 9.1;SaaS

Service Pack(s): Learn April 2014 (9.1.201404.160205), Learn October 2014 (9.1.201410.160373), SaaS, Learn 9.1 Q4 2015 (9.1.201510.1171621)

Issue Description: Some email clients, such as Windows 10 Mail, do not use the "Reply-to" header of emails sent by BbLearn in order to populate the "To:" field when the User replies to the email.

Steps to Replicate:

  1. Add an Instructor to a Course. Instructor's email:
  2. Add a Student to a Course. Student's email:
  3. Enroll the Instructor and the Student to a Course
  4. As Instructor, send an Announcement with the option Send a copy of this announcement immediately enabled
  5. As Student, configure your email as an IMAP account in your email client
  6. As Student, open the Announcement email in your email client
  7. Reply to that email

Expected Behavior:
The To: field of the email contains "".

Observed Behavior:
The To: field of the email contains the dummy email address (

Need more help? Submit an ITS Service Desk Request.