Dear ALL I have the following setup running good for quite sometime and i wd really apprecite if someone wd help or give some suggestions centos 5.1 sendmail dns server now recently our mail usage has increased considerably and moreover Mails have become a utmost top priority i have 2 options now 1) have a backup server with lower higher MX i tested this setup n had some queries earlier n thanks to guys like scott for some prfect advise i did manage to check it out n it works beautiful 2) have another server with same value of MX so it cd load balance and also doc says if one server is down or unavaliable the oher server would receive mail now my query is ... if i now configure a second mail server with same MX priority . a) do i have to create all the existing user accounts on my existing email server to this new server cause i already hav about 300+ email users already b) incase my first email server fails are the emails on the first server lost c) alos apprecite if someone can help me with any links or docs for the above setup apprecite and really thnks in advance regards Fabian -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.