Otto Solares writes:
Hi!I'm running several servers with just courier-mta where I have lots of users in /etc/passwd, in reality I don't want to have any users for SMTP, so I empty the auth modules list, now when I send to say [EMAIL PROTECTED] it fails with: 556 Address unavailable. I have an alias with: postmaster: [EMAIL PROTECTED] How can I tell courier to work without users?
For starters you need to make sure that your domain is recognized as a local domain. Just because you think it is, it doesn't make it so. A local domain must be explicitly defined in either the locals or the hosteddomains configuration file. See courier man page for the explanation of each one. See also courier-authlib's documentation.
Once you've made the appropriate adjustments to your configuration, the postmaster address will still temporarily remain undeliverable, due to backscatter suppression. 556 is actually a backscatter suppression error. See the courier man page for more information.
Again, you should allocate about 2-3 hours for you to review and reread all of the relevant courier-authlib documentation, and courier documentation. You need to fully understand all the relevant processes, and how they work. But once you understand where all the moving pieces are, the actual configuration changes should be fairly easy and obvious.
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