On heavily loaded sites

[Alex Povolotsky]

Hello!

It seems that from next Monday on, I'll be in charge for administrating a
large mail and webmail system (over 300000 emails per day, at least 100000
active users).

I've never met such large systems yet, so I'm seeking advice. Does anyone
run mail system of such scale? Does Maildir storage work well under that
loads? What storage is used, if not? How can be solved problem of too many
user directories under same main dir? Are there any points I'd like to miss?

Alex.

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