Mimecast for Mac: Bounced and Rejected Messages

Document created by user.oxriBaJeN4 Employee on May 20, 2019Last modified by user.oxriBaJeN4 Employee on May 30, 2019
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This page describes how incoming messages that have been bounced or rejected can be displayed in Mimecast for Mac.

 

Bounced Messages

 

Bounced messages are those that Mimecast has accepted, but cannot deliver to the next hop or mail server. When this happens, a notification is sent to the sender of the message. Messages may be bounced due to a number of possible reasons. See the "Bounced Reasons" section of the Bounced Messages page for further details.

 

To view your bounced messages:

  1. Select Bounced Messages from the navigation menu.
  2. Select a Message to display its properties. This includes:
    • The message properties
    • Content

 

Rejected Messages

 

Rejected messages match certain criteria (e.g. they contain a virus signature, or destined to a recipient that doesn't exist). In these instances no email data is accepted by Mimecast, and rejected messages cannot be retrieved. With all rejections, we send a rejection code to the sending mail server, and the mail server should forward a Non-Delivery Report (NDR) to the sender. See the "Common Rejection Types and Resolutions" section of the Monitoring Rejected Messages  page for further details.

 

To view your rejected messages:

  1. Select Rejected Message from the navigation menu.
  2. Select a Message to display its properties. This includes:
    • The rejection properties (e.g. rejection type)
    • Triplet information
    • Remote server information

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