Recreate OPX RemoteUser mapping to recreated EXO mbx

20190715-1216PMN.ps1

$whatif = $true ;
$exombx = get-exomailbox $tAddress ;
$RemoteRoutingAddress = ($exombx.emailaddresses | ? { $_ -match '.*.mail\.onmicrosoft\.com' }).replace("smtp:", "");
$pltEnable = [ordered]@{
    Identity             = $exombx.alias ;
    RemoteRoutingAddress = $RemoteRoutingAddress ;
    whatif               = $($whatif) ;
} ;
write-host -foregroundcolor green "$((get-date).ToString('HH:mm:ss')):Enable-RemoteMailbox w`n$(($pltEnable|out-string).trim())" ;
Enable-RemoteMailbox @pltEnable;
if (!$whatif) {
    $pltSet = [ordered]@{
        Identity     = $exombx.alias ;
        ExchangeGuid = $exombx.ExchangeGuid ;
        whatif       = $($whatif) ;
    } ;
    write-host -foregroundcolor green "$((get-date).ToString('HH:mm:ss')):Set-RemoteMailbox w `n$(($pltSet|out-string).trim())" ;
    Set-RemoteMailbox @pltSet ;
    get-remotemailbox -id $exombx.alias | select userprin*, samac*, recipientt* ;
} ;