On 4/12/2010 2:49 AM, Alex Kamiru wrote: > I am in the process of sourcing for a carrier class email security > solution that will replace our current edge spam gateways based on open > source solutions. Some solutions that am currently considering are > Ironport, Fortinet Fortimail, MailFoundry and Barracuda. I'd therefore > wish to know, based on your experiences, what works for you > satisfactorily.
> Areas that are key for me are centralized management and > reporting, carrier class performance, per mailbox policy and quarantine, > and favourable licensing for an MSSP. I know Ironport is rated highly in > this space but I find its per user licensing is not favourable for a > MSSP. On the other hand installing a FreeBSD system with QMail/Procmail and/or PostFIX for the other stuff is a no-brainer especially with a Webmin Management front end. > > Regards, > Alex. > Alex there are many email systems out there - but make sure that whatever you buy can support NTPv4 and not SNTP or unauthenticated NTP since this is how the GW is going to be able to put time-marks on receipts which must have legal authority. So that means any appliance system provider must have at least NTPv4 tested with both Autokey and symmetric-key and the new interface specific ACL's in the 4.2.6 versions of NTP. Further the issues of the ECC/Parity memory become important here because time is moved over UDP and is subject to single-bit errors all over the place. Todd Glassey > > > >
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