Connect-ExchangeOnline

# Options
$connector_name = 'Spamfilter Connector'
$hostname = 'spamgateway.aperturect.com'
$spamfilterips = {127.0.0.1}, {127.0.0.2}
# Create connector for spam filter and enable EF
New-InboundConnector -Name $connector_name -SenderDomains {smtp:*;1} -EFSkipIPs $spamfilterips -RestrictDomainsToCertificate $true -RequireTLS $true -TlsSenderCertificateName $hostname -CloudServicesMailEnabled $true -ConnectorType OnPremises