Have yet to see an outbound email actually change anything, even if I set -outboundonly $true
New-AddressRewriteEntry -Name "Inbound test@blah.com to support@blah.com" -ExternalAddress test@blah.com -InternalAddress support@blah.com
Whitelist sender domains
Set-ContentFilterConfig -BypassedSenderDomains domain1.com, domain2.com
Whitelist sender
Set-ContentFilterConfig -BypassedSenders joe@domain1.com, joe@domain2.com