Re: Mail servers for large numbers of users
On Sat, 11 Dec 1999, William Burrow wrote:
> qmail can handle an unlimited number of users in an unlimited number of
> domains using the likes of vchkpw. Check out:
So can exim. The problem is not delivering email via smtp ... the problem
is accessing it via IMAP. If you have >64K users, how do you set
permissions so that one user can not deduce the path to another user's
directory and potentially read their mail?
The problem will be corrected soon with the raising of UIDs from 16 bits
to 32 bits but until then, how do you make sure that each user can only
access their own directory from anywhere on the planet if you have more
users than UIDs?
In the meantime, the EASIEST method is to simply use more than one server
for READING email and using something to auto-direct the user to the
proper server to read their mail.
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