Set-Mailbox -Identity username -ForwardingAddress $null
Exchange
Get-Recipient -resultSize unlimited | select name -expand emailAddresses | where {$_.smtpAddress -match ".*scs*"} | Format-Table name, smtpaddress
Search-Mailbox -Identity “USERNAME” -DeleteContent
Enable modern authentication in Exchange Online:
Set-OrganizationConfig -OAuth2ClientProfileEnabled $trueDisable modern authentication in Exchange Online:
Set-OrganizationConfig -OAuth2ClientProfileEnabled $falseTo verify that the change was successful, run this command:
Get-OrganizationConfig | Format-Table -Auto Name,OAuth*
$Mailboxes = Get-Mailbox -id Deborah_Polen-Pitman $Results = foreach( $Mailbox in $Mailboxes ){ $Folders = $MailBox | Get-MailboxFolderStatistics | Measure-Object | Select-Object -ExpandProperty Count New-Object -TypeName PSCustomObject -Property @{ Username = $Mailbox.Alias FolderCount = $Folders } } $Results | Select-Object -Property Username, FolderCount
Get-MailboxFolderStatistics -Identity USERNAME | Select Name,FolderPath,FolderSize,ItemsInFolder
Get-ExchangeServer | ?{$_.IsHubTransportServer -eq $true} | Get-Queue | get-message | ? {$_.fromAddress -eq "<>"} | remove-message
Get-Mailbox -ResultSize Unlimited | Get-MailboxStatistics | Sort-Object TotalItemSize -Descending | Select-Object DisplayName,TotalItemSize -First 10
function check_queue { $QueueCount = get-transportserver | get-queue | measure-object MessageCount -max # Set the limit here if ($QueueCount.Maximum -gt 20) { send_email $QueueCount.Maximum exit } # How often to check start-sleep -s 300 check_queue } function send_email {param ($queue_size) $emailFrom = "from@who.com" $emailTo = "to@who.com" $subject = "Exchange queue at $queue_size" $body = "Mail queues are high, last seen at $queue_size" $smtpServer = "smtp.mydomain.net" $smtp = new-object Net.Mail.SmtpClient($smtpServer) $smtp.Send($emailFrom, $emailTo, $subject, $body) } check_queueUse the start-job command.
start-job ./CheckQueue.ps1
># Setting the parameters Param ( [Parameter(Mandatory=$true)] [string]$Username ) # Import the tools to work with AD. Import-Module ActiveDirectory # Get Primary Proxy Address. $user = Get-ADUser -Identity $username -Properties proxyAddresses $primarySMTPAddress = "" foreach ($address in $user.proxyAddresses) { if (($address.Length -gt 5) -and ($address.SubString(0,5) -ceq 'SMTP:')) { $primarySMTPAddress = $address.SubString(5) break } } $primarySMTPAddress