Le 25/03/2021 à 22:15, Mark Andrews a écrit : > This is a bug in postfix. Temporary failures in the DNS are not supposed to > result in permanent failure at the SMTP level. SERVFAIL is not NXDOMAIN. > This is not a postfix bug. Temporary failure are perfectly handled by postfix with a 450 SMTP temporary error, not a 550 permanent error.
450 4.7.1 Client host rejected: cannot find your reverse hostname, [17.179.250.111]; from=<developer_boun...@insideapple.apple.com> to=<x...@example.com> proto=ESMTP helo=<rn2-msbadger07105.apple.com> (total: 1) You should have OS/network configuration problems. Such timeout are completely unnatural. Emmanuel. _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list ISC funds the development of this software with paid support subscriptions. Contact us at https://www.isc.org/contact/ for more information. bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
