With a good spam filter, you can quarantine or block emails with specified attachment types, while whitelisting known good senders.
Kurt On Thu, Oct 5, 2017 at 9:20 AM, Steve Ens <stevey...@gmail.com> wrote: > That stuff gets through spam filters... > > On Thu, Oct 5, 2017 at 10:25 AM Kurt Buff <kurt.b...@gmail.com> wrote: >> >> No external spam filter? With quarantine? >> >> Kurt >> >> On Thu, Oct 5, 2017 at 7:55 AM, Rimmel, Carl <crimm...@hfhs.org> wrote: >> > We have been seeing an uptick in SPAM containing PDF attachments. The >> > PDFs >> > are composed of a full-page image that, when moused-over, points to a >> > malicious web site. We have tried to use Transport Rules to block these >> > based on the moused-over URL but Exchange seems unable to properly >> > detect >> > these embedded URLs. We are able to use Transport Rules to block PDFs >> > with >> > plain text so we know that the server is inspecting them properly. >> > >> > >> > >> > Any ideas on how to battle these pesky messages? >> >> >
