intermediate smtp servers
Steve Friedl
steve at unixwiz.net
Wed Jul 21 17:58:45 UTC 2004
On Wed, Jul 21, 2004 at 09:06:33AM -0700, lili wrote:
> b) an intermediate smtp server that will continue transferring the
> message to the destination smtp server
Yes, (b) happens quite a lot these days: people are increasingly deploying
front-end mailservers that do spam/virus processing (perhaps in the DMZ)
before forwarding to the "real" mailserver internally, and that "real"
mailserver is not visible or reachable from the outside.
Steve
--
Stephen J Friedl | Security Consultant | UNIX Wizard | +1 714 544-6561
www.unixwiz.net | Tustin, Calif. USA | Microsoft MVP | steve at unixwiz.net
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