Upgrade Exim to 4.80

[hci]

Is there a procedure for upgrading Exim 4.72 too 4.8 on CentOS5 or is it as simple as installing the rpm?

The rpm appears here:
http://files.directadmin.com/services/5.0_64/da_exim-4.80-1.x86_64.rpm

 

[scsi]

There are several ways to update.

1. rpm
2. build from source http://help.directadmin.com/item.php?id=125
3. use custombuild