On Wed, 2005-09-14 at 11:39 +0200, Koybe wrote: > Hello, > > Can someone help me estimating the bandwith needed for a server >delivering mail trough IMAP using CYRUS. It's about 100 clietns in a > day to day use.
Will this be a LAN, a WAN, or both? If both, which will be the primary means of transport? If a LAN, then if your site has so much traffic that it is maxing out 100Mbps main lines, you've got more issues than IMAP bandwidth. Will the emails be short and text-only, or will they be huge HTML monstrosities and have lots of BMP attachments? How much is email currently? Do most users pick up the phone, or is every bit of communication done via email? Will all 100 clients be using the email every day (like in a business), or will it be infrequent (like a webmail kiosk)? These (and more that I haven't thought of) are the questions that only you (or someone at the site) can answer. Once you do, multiply the numbers, double it (growth happens), and 30% for TCP & IP overhead, and there's your bandwidth needs. > thank you. Ambiguous questions are irritating. Or I'm grumpy from working all night. Or both. -- ----------------------------------------------------------------- Ron Johnson, Jr. Temporarily not of Jefferson, LA USA PGP Key ID 8834C06B I prefer encrypted mail. "There are times in politics when you must be on the right side and lose." John Kenneth Galbraith
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