Am 05.08.2012 22:27, schrieb Adam NEVERT: >>> Hello, >>> >>> I need to have a unical user who can send emails without >>> authentication and only on my domain how can I achieve that ? >>> >>>> How can you tell wether it is this user or not if it is not authenticated ? >>> I can tell it is a user because it is in my alias_maps >> take a deep breath! >> >> you can tell NOTHING without authentication >> your alias maps will not replace authentication >> >> so what you try to do is broken by design >> > I have no problem to breath ... I was just asking I'm not postfix expert
you do not need to be pissed off, really this is independent from postfix if you remove authentication from a service which is reachable from the network your service is wide open as long you can not restrict u´it 100% to a source-ip if you can not restrict the access to a source-ip than you have simply not a user because you took away auth and everybody out there can chosse a sender as he like why smtp-auth was invented to stop open relays
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