Exchange: Remove Email Aliases

Remove-BulkEmailAlias.ps1

function Remove-BulkEmailAlias
{
    <#
        .Synopsis
            This function will create the desired email aliases for the specified mailbox
            
        .Example
            C:\PS>Remove-BulkEmailAlias -PrimaryEmailAddress your.mailbox@mydomain.com -AliasPrefix testAlias –Domain @mydomain.com -NumberOfAlias 1000

            This example will remove 1000 emails aliases called testAlias1@mydomain.com > testAlias1000@mydomain.com 
            from the primary mailbox your.mailbox@mydomain.com
        .Notes
            Name: Remove-BulkEmailAlias
            Author: Petro Margaritis
            Last Edit: 06/01/2015
            Keywords: Mailbox, Email Alias, Exchange 2010, Remove, Delete
        .Link
            http://www.iampetro.com/
    #>
    Param (
           [parameter(Mandatory=$true)][string]$PrimaryEmailAddress,
           [parameter(Mandatory=$true)][string]$AliasPrefix,
           [parameter(Mandatory=$true)][string]$Domain,
           [parameter(Mandatory=$true)][int]$NumberOfAlias
           )
    try
    {
        for ($i=1; $i -le $NumberOfAlias; $i++)
        {
            $aliasName = $AliasPrefix + $i + $Domain
            Set-Mailbox $PrimaryEmailAddress -EmailAddresses @{Remove=$aliasName}
            Write-Host "The alias: "$aliasName", has been removed to the account: "$PrimaryEmailAddress -foregroundcolor Yellow
        }
        Write-Host "All requested Aliases have been removed" -foregroundcolor Green
    }
    catch [System.Exception]
    {
        # Display error captured
        Write-Host "Error caught " -foregroundcolor Red
        Write-host $error[0] -foregroundcolor Red
    }
}