OPERATIONAL DEFECT DATABASE
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BugZero found this defect 2368 days ago.
Email notifications sent by Veeam Backup for Microsoft 365 are illegible or unexpectedly contain Chinese characters.
The issue is caused by an encoding conflict. By default, Veeam Backup for Microsoft 365 uses UTF-16 character encoding, and the problem appears under the following circumstances: Use of Mimecast or Thunderbird or Office 365 organization located in Microsoft Azure China or Germany regions.
Email notification encoding can be changed in Veeam Backup for Microsoft 365. Depending on whether this is a test or job notification, the email will be sent by Veeam Backup for Microsoft 365 Service or Veeam Backup for Microsoft 365 Proxy Service respectively. Therefore, the encoding must be updated on the Veeam Backup for Microsoft 365 server and all remote proxies.
A similar issue may occur with Veeam Explorer for Microsoft Exchange and is documented in https://www.veeam.com/kb4188.
