Michael Bordignon <michael.b@???> wrote:
>
>i'm using DNSBL lists with Exim 3.35. Occasionally, (for some reason or
>another) mail can't get to our primary MX, so is queued at the secondary.
>The problem with this is that when it is finally delivered to the primary,
>spam by-passes the RBL check (as the server the mail is coming from will be
>our secondary). Are there any known ways around this?
You have to implement the same security checks on all your MXes.
Tony.
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