Configure Spam Filter for Exchange

Exchange Management Shell:

Add-IPBlockListProvider -Name Spamhaus -LookupDomain zen.spamhaus.org -AnyMatch $true -Enabled $true -RejectionResponse “IP address is listed by Spamhaus”

Add-IPBlockListProvider -Name Spamcop -LookupDomain bl.spamcop.net -AnyMatch $true -Enabled $true -RejectionResponse “IP address is listed by Spamcop”

Add-IPBlockListProvider -Name Spamikaze -LookupDomain psbl.surriel.com -AnyMatch $true -Enabled $true -RejectionResponse “IP address is listed by Spamikaze”

Add-IPBlockListProvider -Name BarracudaCentral -LookupDomain b.barracudacentral.org -AnyMatch $true -Enabled $true -RejectionResponse “IP address is listed by BarracudaCentral”

Report:

C:\Program Files\Microsoft\Exchange Server\V15\Scripts>.\get-AntispamTopRBLProviders.ps1