Hello all First of all - congratulations on a great little product. I've been looking for something like this for AGES,with little luck.
Although I'm new to dbmail there is one thing that caught my eye - imapd and pop3d are standalone-only daemons. While this in and of itself is not bad (they HAVE to listen for network clients after all :) ), it does have some limitations when you want functionality like DoS detection/prevention and SSL/TLS connectivity (among others). This is precisely the type of functionality that Xinetd (with the help of tools such as stunnel) can provide rather easily - but the daemons would have to NOT be standalone network listeners and instead communicate over stdin/stdout. Correct me if I'm wrong, but creating 2 different server executables (standalone and stdin-based) each linking to different server.c (.o) files could do this - just replace server.c with server-stdin.c upon linking and voila! I think serverchild.c (.o) is a compliment to server.c so it would not be needed for such an alternate implementation - is this correct? Other things would need to be changed as well: max connections should be handled by server.c/serverchild.c rather than the daemon cores themselves, resolveIP, port, etc. If this approach seems feasible, I'd like to contribute in adding this functionality. That way coding SSL/TLS support, more sophisticated DoS prevention/connection rate limiting, IPv6 support, and many other nice little features can be avoided. The tradeoff is the added overhead in the xinetd/stdin-out mode, but I think this could be acceptable in a lot of scenarios. Your opinions and thoughts on this? Best -- =========================================================== * Diego Rivera * * * * "The Disease: Windows, the cure: Linux" * * * * E-mail: lrivera<AT>racsa<DOT>co<DOT>cr * * Replace: <AT>='@', <DOT>='.' * * * * GPG: BE59 5469 C696 C80D FF5C 5926 0B36 F8FF DA98 62AD * * GPG Public Key avaliable at: http://pgp.mit.edu * ===========================================================
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