Symptoms
Consider the following scenario in Microsoft Exchange Server 2019 or Exchange Server 2016:
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A user has Non-ASCII characters such as Japanese characters in the display name.
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You create a journal rule to send a journal message to an external recipient.
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You send an email and add the user in the BCC field.
In this scenario, the journal message's embedded message has the mail header X-MS-Exchange-Organization-BCC and its value contains Non-ASCII text.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Resolution
To fix this issue, install one of the following updates:For Exchange Server 2019, install the Cumulative Update 1 for Exchange Server 2019 or a later cumulative update for Exchange Server 2019.
For Exchange Server 2016, install the Cumulative Update 12 for Exchange Server 2016 or a later cumulative update for Exchange Server 2016.
References
Learn about the terminology that Microsoft uses to describe software updates.
