Hello other than the normail making sure we have AV, Spam filtering interally but also a service that check incoming mail prior to hitting our server. Possibly installing the exchange antspam filter/script(i have to read up on this). What else can be done to combat all the sudden lots of phishing emails? Trying to also figure out where theyre coming from? Of course we have the numerous mobile devices sycing with exchange willy nilly.
Advice/feedback/ Tips & tricks/ bullet list of Troubleshooting tips?