On Sun, Oct 19, 2003 at 05:03:15AM -0300, Marc G. Fournier wrote:
>
>
> On Sat, 18 Oct 2003, Chris wrote:
>
> > > Then you'll want to change your procmail file to call spamc instead of
> > > spamassassin. (It's faster to include the full path to spamc by the way)
> >
> > OK, so by calling spamc does it call the running spamd in the background?
> > Can someone explain the relationship of them or point me in a direction of
> > good reading.
>
> spamd == spamassassin daemon / server
> spamc == spamassassin client
>
> clients talks to daemon ... passes unprocessed email to daemon to process
> and tag accordingly ...
Client/server is a concept it sounds like Chris (apologies if I
attribute part of the above to the wrong person) may not have run into.
Briefly, a "server" is a program which waits for a request to arrive
over some medium, for example a network connection. When a server
receives a request it processes it somehow. The processing may
include sending a response back to the requestor over the network
connection.
A "client" is a program which makes such a request. In the case
of spamc ("spam client", I believe), the client makes a request
over a network connection and then waits for a response over the
same connection.
Servers are often implemented as "daemons", programs which run
without connections to the outer world other than the one on
which they wait for requests. The spamd ("spam daemon") program
is one such.
A search of Google for
client server
yelds a lot of reading which might be of interest. Number one
hit is:
http://www.faqs.org/faqs/client-server-faq/
--
Dan Wilder <[EMAIL PROTECTED]>
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