We are using Rainmail for the past couple of years for internal mail management & promotional emails campaign for our sales & Marketing team.Rainmail provides advance security features that helps us prevent malware & suspicious activities. Rainmail also provides easy indexing options as well as port security. We are using it over the intranet enviorment for our internal management. Review collected by and hosted on G2.com.

As far as we are using Rainmail we have not faced any issue as such. It will be good if they can provide third-party software integrations as well. Review collected by and hosted on G2.com.