You can configure the SendGrid account as an SMTP relay for notification settings if you want Veeam Backup for Microsoft 365 to send email notifications about backup job results.
If you are going to use Microsoft 365 email account for Veeam Notifications, it happened that SmtpClientAuthentication is disabled for the Tenant error. Today I will show you how to fix it.
The Azure archiver appliance is a small auxiliary machine in Microsoft Azure that is deployed and configured automatically by Veeam Backup for Microsoft 365. Veeam services that Veeam Backup for Microsoft 365 installs on the Azure archiver appliance compress data passed through. This helps reduce network traffic and increase the speed of backup copy.