postfix的安装移植
1、安装：1.1、解压：tar –cvzf postfix-2.8.2.tar.gz
cd postfix-2.8.2
按照postfix-2.8.2文件夹中INSTALL的说明文档进行安装
make -f Makefile.init makefiles (生成Makefile文件)
make (用来编译)
make install (用来安装)
其中可指定安装目录
postfix check (检测postfix)
postfix start (启动)
移植：
2、把安装文件都放到目标机上，缺什么再从开发机上找，
3、启动post检测，出现的问题没有postfix用户和组，就增加用户和组，如果增加不上就从开发机中的/etc/group和/etc/passwd把用户和组复制过来，其他问题90%是权限问题，给予权限，
postfix/postfix-script: warning: not owned by postfix: /var/lib/postfix/.
postfix/postfix-script: warning: not owned by postfix: /var/lib/postfix/./master.lock
解决：chown postfix:postfix /var/lib/postfix/
postfix/postfix-script: warning: group or other writable: /var/lib/postfix
解决 chmod og-w /var/lib/postfix
4、
# postfix check
BusyBox v1.5.1 (2011-01-12 17:06:10 CST) multi-call binary
Usage: find
Search for files in a directory hierarchy. The default PATH is
the current directory; default EXPRESSION is '-print'
EXPRESSION may consist of:
-follow Dereference symlinks
-name PATTERN File name (leading directories removed) matches PATTERN
-print Print (default and assumed)
-print0 Delimit output with null characters rather than
newlines
-type X Filetype matches X (where X is one of: f,d,l,b,c,...)
-perm PERMS Permissions match any of (+NNN); all of (-NNN);
or exactly (NNN)
-mtime DAYS Modified time is greater than (+N); less than (-N);
Or exactly (N) days
-mmin MINS Modified time is greater than (+N); less than (-N);
or exactly (N) minutes
-exec CMD Execute CMD with all instances of {} replaced by the
files matching EXPRESSION
find命令不兼容从开机上复制过来就行了，问题如下：
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