I'm looking at Votiro, Proofpoint & Israel email security products to reduce spam, emails from bad reputation IP, emails with malicious attachments & URL.
What are the features/criteria to assess or look out for? Esp if I'm on O365. a) can link to SpamHaus, RBL etc to get bad reputation IP? b) offers CDR, sandboxing? c) can claw back malicious emails from users' mailbox once Sandboxing completed analysis that an email or attachmt is malicious (Proofpoint has one such product) d) can withstand email blasting (eg: 80000/minute) e) ... help add on ...