Tony Gogoi said: > > Hello, > > Our mail server uses "sendmail" and DNS server used "bind". > > We have a problem with sending mail to a site X which returns error > "Sender IP must resolve". So, that means their mail server could not > reverse map our mail server's IP address to fully qualified domain name. > As long as there is a reverse lookup it should be OK. Try 'host IP' to see if you have a reverse lookup, if not, ask your ISP to add one. Doesn't even have to resolve to your domain name, just as long as it resolves. -- Scott - : send the line "unsubscribe linux-admin" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
