Dear ALl, Sorry for my posting here but do apprecite if u guys help me.. I have already CenOS 5 and been used as my Primary DNS and primary sendmail mail server and is working perfectly fine i also have another Centos MAchine being used as my secondary DNS server and been workin fine.. i want to use this machine as my backup mail server and has gone to the DOCS have configured DNS and sendmail for a backup mail server. but i really dont know how i would test if my secondary mail server is workin apprecite if you cd have some examples or steps to check my newly setup backup mail server Thanks and Regards simon -- Network ADMIN: -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos