Zix is a very cost-effective, but robust email security solution. It is very accurate with what's good/bad and quarantines any questionable emails. Review collected by and hosted on G2.com.

There are MANY email content rules, filters and settings to adjust, so getting the program initially fine-tuned was a little bit of an undertaking. But at the same time having this much control isn't a bad thing at all. Review collected by and hosted on G2.com.