365 Tentant to Tenant Migration

https://learn.microsoft.com/en-us/microsoft-365/enterprise/cross-tenant-mailbox-migration?view=o365-worldwide Teams Meetings need to be recreated Dont use Sharegate ( Avepoint ) https://pariswells.com/blog/research/how-to-find-out-what-tenant-teams-meetings-are-from-after-migration https://github.com/smcavinue/AdminSeanMc/tree/master/Tenant%20Migration%20Assessment

Using Powershell to Send Emails via 365

Finally can do this via OAuth ( No Username and password Azure APP ) AND Non-Interactive https://github.com/richfaj/SmtpClientDiag/blob/master/SmtpClientDiag.psm1 SMTP Will be Decommed Soon ( Below )