fsutil file createnew c:\filess\FILE19.xlsx 1909900
$file = "c:\filess\FILE19.xlsx"
$mn = 2
do {
$id = "$mn"+' - Test Message #'+$mn
$id
$mn--
(Get-Mailbox zez*) | % {Send-MailMessage -SmtpServer (Get-ExchangeServer).Fqdn -To $_.primarysmtpaddress -From admin@domain.com -Subject $id -Body "ATTACHMENT TO FILL UP THE MAILBOX" -attachment $file}
}while($mn -gt '0')