3 ms·
I thought our unauthenticated SMTP got shutoff after switching to Office 365. I looped over the SMTP servers in the hop list in the headers of an email and one
by deckar01 2y ago
I thought our unauthenticated SMTP got shutoff after switching to Office 365. I looped over the SMTP servers in the hop list in the headers of an email and one of the Microsoft domains accepted unauthenticated requests from within the network.