Bijan Soleymani writes:
Hi Boris,There might not be functionality in courier to limit the number of connections for a single user. But if you are going to reprogram your
Trying to limit the number of connections from a single user is similar to figuring out whether the chicken or the egg was the first one.
A connection attempt is completely anonymous. Only once the connection is established, and SSL negotiation takes place, if appropriate, does the conncting client send the user's name, as part of the logon. By that point, the connection is already established. Too late.
The IMAP server process has no knowledge of other processes on the server, and has no easy means of enumerating other processes that logged in to the same mailbox. This would be possible with a monolithic server where a single process handles all client connections. But it's not immediately possible when each client connection is handled by a separate, isolated, process.
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