Article ID: 2642476 - View products that this article applies to.
When you reply to messages on a BlackBerry device in Microsoft Office 365 Dedicated, you receive the following non-delivery report (NDR):
Note NDRs can occur for various reasons. However, the resolution that is mentioned in the "Resolution" section is specific to the causes that are mentioned in the "Cause" section.
When you use an at sign (@) in the name of a source environment contact, and when that name is synchronized with the managed environment if the following conditions are true, you receive the NDR that is mentioned in the "Symptoms" section:
To resolve this issue, follow these steps:
You must not use the at sign (@) in the name or display name when you create contacts in Active Directory that will be synchronized with the managed environment.
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.
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