[courier-users] Backscatter supression

I've been getting the dreaded 556 error occasionally for an address on our server (sa...@justcroft.com), and I can't quite diagnose the problem. The address points to a couriermlm list, and normally goes fine, then every so often the BSS kicks in and customers complain they can't reach the

Re: [courier-users] Backscatter supression

Peter Ford writes: I've been getting the dreaded 556 error occasionally for an address on our server (sa...@justcroft.com), and I can't quite diagnose the problem. The address points to a couriermlm list, and normally goes fine, then every so often the BSS kicks in and customers complain