freemail-check fails if the sender has multiple PTR: courieresmtpd: error,relay=213.165.64.100,from=<[EMAIL PROTECTED]>: 517-Sender rejected: [EMAIL PROTECTED] can be accepted only from courieresmtpd: error,relay=213.165.64.100,from=<[EMAIL PROTECTED]>: 517 gmx.de's mail relays.
$ dig gmx.de mx gmx.de. 21h29m28s IN MX 10 mx0.gmx.net. gmx.de. 21h29m28s IN MX 10 mx0.gmx.de. mx0.gmx.net. 2M IN A 213.165.64.100 mx0.gmx.de. 2M IN A 213.165.64.100 $ dig -x 213.165.64.100 100.64.165.213.in-addr.arpa. 23h58m53s IN PTR mx0.gmx.net. 100.64.165.213.in-addr.arpa. 23h58m53s IN PTR mx0.gmx.de. (This one is just another broken autoresponder, ignoring 'Bulk' and 'Mailing-List' in the header...) Roland _______________________________________________ courier-users mailing list [EMAIL PROTECTED] Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users
