On Fri, Feb 12, 2010 at 4:50 PM, Jonathan Tripathy <jon...@abpni.co.uk> wrote: > Hi Everyone, > > Thanks for all the comments. > > The reason why I said 256MB RAM, is because that is currently what my VM > has... > > If I were to take out a dedicated server with: > > 2.8 Dual Core > 2GB RAM > > how much would that handle? > > My customer is a business, with 600 staff, however I think they just use a > single broadband connection so that will be the limiting factor, as this > dedicated server has a 100Mbps link to the net.. > > Please let me know what you think >
If you want to give your client good advice, you will have to measure their mail flow in a meaningful way. How many messages per second, minute, hour, day do you need to handle? How many concurrent SMTP sessions? Do they even care if a message takes 100ms vs 100 seconds to traverse this system? > Thanks > > Jonny > > On 12/02/2010 19:24, Victor Duchovni wrote: > > On Fri, Feb 12, 2010 at 05:14:30PM -0000, Jonathan Tripathy wrote: > > > > My current server has 256MB RAM (It's a VM on slicehost). How many users do > you think that will handle? > > > Is more RAM substantially more expensive? 256 MB is rather meek these days. > With physical servers, one typically gets 16GB or more of RAM these days. > Even a 6-Watt Atom-CPU FitPC box comes with 1GB of RAM! Your machine is > way off the mainstream memory curve... For Postfix alone you're fine, but > for running an IMAP server with users, you are likely too cramped, ask > on the Dovecot list, not here. Postfix is not very memory intensive. > >
