We are already having a mail server and linux based firewall with openVPN at our branch office.Now we plan to get Astaro Security Gateway 120.I hope this is enough for a network with 100 users or should we go for Gateway 220.
I have gone thru the comparision and i dont understand what does the E-mails per day 350,000,E-mail Encryption and filtering option help me,as we are already having a dedicated mail server.
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