On May 23, 2006, at 8:06 PM, Michael Torrie wrote:
I need to configure Sendmail such that it only accepts mail for localusers (local to the box that it is running on), deals with aliases, and then forwards all mail to another server. Currently it is working withthe "MAIL_HUB" directive, but that happily accepts all mail, even for non-existent users, and sends it to the hub where bad mail is then bounced. This is a problem, though, as spam won't have a legitimate from address and thus the bounce will just hang in the queue and otherwise cause issues. I'd rather the connecting server just be told the user is invalid and cut it off (saves bandwidth).
While this is quite hacktastic, it would do what you are describing. It will also enable you to do even more complex filtering as well. http://www.technoids.org/procmailfilter.html --lonnie
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