Remove all secondary email addresses through powershell script


$Input = Get-Content C:\users.txt | Get-Mailbox
$Input | foreach {
write-host “$($_.Name) —- $($_.EmailAddresses.Count)”
for ($i = $_.EmailAddresses.Count ;$i -ge 0; $i — )
{
$_.EmailAddresses[$i].ProxyAddressString  
if ($_.EmailAddresses[$i].IsPrimaryAddress  -eq $false )
{
$_.EmailAddresses.RemoveAt($i)

}
  set-mailbox  $_.Identity -EmailAddresses $_.EmailAdresses
}

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