From Powershell, run the commands below. Microsoft removed all of the ability to manage antispam from Exchange 2013 it is all in powershell now only.
ExchangeInstallPath\Scripts\Install-AntiSpamAgents.ps1
Restart-Service MSExchangeTransport
View list
Get-IPBlockListProvider
Add-IPBlockListProvider -Name bl.spamcop.net -LookupDomain bl.spamcop.net -AnyMatch $true -Enabled $true
Add-IPBlockListProvider -Name zen.spamhaus.org -LookupDomain zen.spamhaus.org -AnyMatch $true -Enabled $true
Add-IPBlockListProvider -Name cbl.abuseat.org -LookupDomain cbl.abuseat.org -AnyMatch $true -Enabled $true
Add-IPBlockListProvider -Name b.barracudacentral.org -LookupDomain b.barracudacentral.org -AnyMatch $true -Enabled $true
// if you want to set priority on one you can just add this to the end
-Priority 1
Restart-Service MSExchangeFrontEndTransport
--- bypass domain from filtering
First get a list of who is whitelisted
Get-ContentFilterConfig | Format-List
You have to add all the domain again as it replaces the old one.
Set-ContentFilterConfig -BypassedSenderDomains *.guestdomain.com
--- To do multible domains
$list = (Get-ContentFilterConfig).BypassedSenderDomains
$list.add(“*.test.com”)
set-contentfilterconfig -BypassedSenderDomains:$list
Get-ContentFilterConfig | Format-List