install_root: [/]

Please specify a directory for scratch files while installing Postfix. You
must have write permission in this directory.
tempdir: [/servers/postfix-2.4.5]

Please specify the final destination directory for installed Postfix
configuration files.
config_directory: [] /etc/postfix
bin/postconf: error while loading shared libraries: libmysqlclient.so.15: cannot open shared object file: No such file or directory
bin/postconf: error while loading shared libraries: libmysqlclient.so.15: cannot open shared object file: No such file or directory
bin/postconf: error while loading shared libraries: libmysqlclient.so.15: cannot open shared object file: No such file or directory
bin/postconf: error while loading shared libraries: libmysqlclient.so.15: cannot open shared object file: No such file or directory
bin/postconf: error while loading shared libraries: libmysqlclient.so.15: cannot open shared object file: No such file or directory
bin/postconf: error while loading shared libraries: libmysqlclient.so.15: cannot open shared object file: No such file or directory
bin/postconf: error while loading shared libraries: libmysqlclient.so.15: cannot open shared object file: No such file or directory
bin/postconf: error while loading shared libraries: libmysqlclient.so.15: cannot open shared object file: No such file or directory
bin/postconf: error while loading shared libraries: libmysqlclient.so.15: cannot open shared object file: No such file or directory
bin/postconf: error while loading shared libraries: libmysqlclient.so.15: cannot open shared object file: No such file or directory
bin/postconf: error while loading shared libraries: libmysqlclient.so.15: cannot open shared object file: No such file or directory
bin/postconf: error while loading shared libraries: libmysqlclient.so.15: cannot open shared object file: No such file or directory

Please specify the final destination directory for installed Postfix
daemon programs. This directory should not be in the command search path
of any users.
daemon_directory: [] /usr/libexec/postfix

Please specify the final destination directory for installed Postfix
administrative commands. This directory should be in the command search
path of adminstrative users.
command_directory: [] /usr/sbin

Please specify the final destination directory for Postfix queues.
queue_directory: [] /var/spool/postfix

Please specify the final destination pathname for the installed Postfix
sendmail command. This is the Sendmail-compatible mail posting interface.
sendmail_path: [] /usr/lib/sendmail

Please specify the final destination pathname for the installed Postfix
newaliases command. This is the Sendmail-compatible command to build
alias databases for the Postfix local delivery agent.
newaliases_path: [] /usr/sbin                   我填/usr/bin/newaliases也不对,提示的错误一样的。

Please specify the final destination pathname for the installed Postfix
mailq command. This is the Sendmail-compatible mail queue listing command.
mailq_path: [] /usr/bin/mailq

Please specify the owner of the Postfix queue. Specify an account with
numerical user ID and group ID values that are not used by any other
accounts on the system.
mail_owner: [] postfix

Please specify the group for mail submission and for queue management
commands. Specify a group name with a numerical group ID that is
not shared with other accounts, not even with the Postfix mail_owner
account. You can no longer specify "no" here.
setgid_group: [] postdrop

Please specify the destination directory for the Postfix HTML
files. Specify "no" if you do not want to install these files.
html_directory: [] /var/www/html

Please specify the destination directory for the Postfix on-line manual
pages. You can no longer specify "no" here.
manpage_directory: [] /usr/local/man

Please specify the destination directory for the Postfix README
files. Specify "no" if you do not want to install these files.
readme_directory: [] no
postfix-install: Error: "newaliases_path" specifies a directory.
make: *** [install] 错误 1
[root@localhost postfix-2.4.5

解决方法:bin/postconf: error while loading shared libraries: libmysqlclient.so.15: cannot open shared object file: No such file or directory
错误都已经贴出来了啊。。。。搜索libmysqlclient.so.15,把libmysqlclient.so.15拷一个放/usr/lib或者把libmysqlclient.so.15的路径加到ld.so.conf里ldconfig下就OK