In order to also send email as this user, you need to Go into the website > Users > Active Users > Find the user in question > Edit Details > Edit Mailbox Permissions and then add the users who should have permission to send to the various options.Microsoft has fixed a zero-day vulnerability (CVE-2023-23397) in Outlook that was exploited by a hacking group with ties to Russia’s military intelligence service, GRU. Now you should be good to add the mailbox in Outlook by going to File > Account Settings > Exchange > Change (your email address) > Advanced: The run this command again swapping the SharedMailbox and UserAccount email addresses around.Īdd-MailboxPermission (SharedMailbox) -User (UserAccount) -AccessRights FullAccess -AutoMapping $false With (SharedMailbox) as the secondary mail box / email address and (UserAccount) as the primary email address.
Remove-MailboxPermission (SharedMailbox) -User (UserAccount) -AccessRights FullAccess If you added permissions already you will need to remove them first so: At this point it should mention something about importing verbs If you get any access denied error messages or anything like that, you probably put your email address and or password in wrong so repeat those steps. $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri -Credential $LiveCred -Authentication Basic -AllowRedirection This will prompt you for your Office 365 admin email and password.
Then Do a search for Powershell, then right click and “Run as Administrator”. This should be able to be done easily through the web portal but I have found in the past that there are issues with it so here is a workaround in case it doesn’t work.įirstly if you haven’t got already install the latest version Powershell.
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