Office 365 SPAM reports - Directory and SMTP blocking

[Mark Driver]

Hi All,

I am looking for a decent explanation of Directory Blocking and SMTP blocking, these are referred to in the Office 365 SPAM reports. 

Thanks

Mark

[#2]

DBEB is detailed here: https://technet.microsoft.com/en-us/library/dn600322(v=exchg.150).aspx

SMTP blocking is based on the reputation or the sender/recipient address: https://technet.microsoft.com/en-us/library/dn500744(v=exchg.150).aspx