将域名改成IP后出现MD5校验失败,请问有什么方法先让我吧iredmail装上吗

# Where to fetch/store binary packages and source tarball.
export IREDMAIL_MIRROR="${IREDMAIL_MIRROR:=http://173.54.22.21}"
export PKG_DIR="${_ROOTDIR}/pkgs"
export PKG_MISC_DIR="${_ROOTDIR}/misc"

if [ X"${DISTRO}" == X"RHEL" ]; then
    # Special package.
    # command: which.
    export BIN_WHICH='which'
    export PKG_WHICH='which'
"pkgs/get_all.sh" 261L, 7483C 已写入
[root@mail iRedMail-0.9.2]# ls
ChangeLog  conf  dialog  Documentations  functions  iRedMail.sh  patches  pkgs  README.md  samples  tools
[root@mail iRedMail-0.9.2]# bsah iRedMail.sh
-bash: bsah: command not found
[root@mail iRedMail-0.9.2]# /bin/bash iRedMail.sh
[ INFO ] Checking new version of iRedMail ...
[ INFO ] Preparing yum repositories ...
[ INFO ] Installing package(s): epel-release
Loaded plugins: fastestmirror
Setting up Install Process
Loading mirror speeds from cached hostfile
* base: mirrors.btte.net
* extras: mirrors.sina.cn
* updates: mirrors.163.com
base                                                                                                        | 3.7 kB     00:00     
extras                                                                                                      | 3.4 kB     00:00     
http://173.54.22.21/yum/rpms/6/repodata/repomd.xml: [Errno 12] Timeout on http://173.54.22.21/yum/rpms/6/repodata/repomd.xml: (28, 'connect() timed out!')
Trying other mirror.
Error: Cannot retrieve repository metadata (repomd.xml) for repository: iRedMail. Please verify its path and try again
[ INFO ] Fetching source tarballs ...
[ INFO ] + 1 of 3: http://173.54.22.21/yum/misc/iRedAdmin-0.4.2.tar.bz2
[ INFO ] + 2 of 3: http://173.54.22.21/yum/misc/iRedAPD-1.6.0.tar.bz2
[ INFO ] + 3 of 3: http://173.54.22.21/yum/misc/roundcubem … ete.tar.gz
[ INFO ] Validate packages ...md5sum: misc/iRedAdmin-0.4.2.tar.bz2: No such file or directory
md5sum: misc/iRedAPD-1.6.0.tar.bz2: No such file or directory
md5sum: misc/roundcubemail-1.1.1-complete.tar.gz: No such file or directory
md5sum: WARNING: 3 of 3 listed files could not be read
misc/iRedAdmin-0.4.2.tar.bz2: FAILED open or read
misc/iRedAPD-1.6.0.tar.bz2: FAILED open or read
misc/roundcubemail-1.1.1-complete.tar.gz: FAILED open or read
        [ FAILED ]
<< ERROR >> MD5 check failed. Script exit ...

Error Downloading Packages:
  perl-Cache-FastMmap-1.34-1.el6.rf.x86_64: failure: perl-Cache-FastMmap-1.34-1.el6.rf.x86_64.rpm from iRedMail: [Errno 256] No more mirrors to try.
  python-webpy-0.36-2.el6.noarch: failure: python-webpy-0.36-2.el6.noarch.rpm from iRedMail: [Errno 256] No more mirrors to try.
  clamd-0.97.7-1.el6.rf.x86_64: failure: clamd-0.97.7-1.el6.rf.x86_64.rpm from iRedMail: [Errno 256] No more mirrors to try.
  altermime-0.3.10-3.el6.x86_64: failure: altermime-0.3.10-3.el6.x86_64.rpm from iRedMail: [Errno 256] No more mirrors to try.
  shorewall-4.4.10-4.el6.noarch: failure: shorewall-4.4.10-4.el6.noarch.rpm from iRedMail: [Errno 256] No more mirrors to try.
  2:dovecot-managesieve-0.3.6-26.el6.x86_64: failure: dovecot-managesieve-0.3.6-26.el6.x86_64.rpm from iRedMail: [Errno 256] No more mirrors to try.
  nginx-1.8.0-1.el6.ngx.x86_64: failure: nginx-1.8.0-1.el6.ngx.x86_64.rpm from iRedMail: [Errno 256] No more mirrors to try.
  cluebringer-2.0.14-4.el6.noarch: failure: cluebringer-2.0.14-4.el6.noarch.rpm from iRedMail: [Errno 256] No more mirrors to try.
  perl-Config-IniFiles-2.56-1.el6.rf.noarch: failure: perl-Config-IniFiles-2.56-1.el6.rf.noarch.rpm from iRedMail: [Errno 256] No more mirrors to try.
  fail2ban-0.8.8-2.el6.noarch: failure: fail2ban-0.8.8-2.el6.noarch.rpm from iRedMail: [Errno 256] No more mirrors to try.
  1:dovecot-2.1.17-0_136.el6.x86_64: failure: dovecot-2.1.17-0_136.el6.x86_64.rpm from iRedMail: [Errno 256] No more mirrors to try.
  2:dovecot-pigeonhole-0.3.6-26.el6.x86_64: failure: dovecot-pigeonhole-0.3.6-26.el6.x86_64.rpm from iRedMail: [Errno 256] No more mirrors to try.
  python-inotify-0.9.1-1.el6.noarch: failure: python-inotify-0.9.1-1.el6.noarch.rpm from iRedMail: [Errno 256] No more mirrors to try.
  unrar-5.0.3-1.el6.rf.x86_64: failure: unrar-5.0.3-1.el6.rf.x86_64.rpm from iRedMail: [Errno 256] No more mirrors to try.

<< ERROR >> Installation failed, please check the terminal output.
<< ERROR >> If you're not sure what the problem is, try to get help in iRedMail
<< ERROR >> forum: http://www.iredmail.org/forum/
[root@siweite iRedMail-0.9.2]#

==== 必填信息。没有填写将不予回复 ====
- iRedMail 版本号:iRedMail-0.9.2]
- 使用哪个数据库存储用户帐号(OpenLDAP,MySQL,PostgreSQL):未能成功安装
- 使用的 Linux/BSD 发行版名称及版本号:centos and ubuntu
- 与您的问题相关的日志信息:未找到
====


====================================================================
[ INFO ] Checking new version of iRedMail ...
[ INFO ] Preparing yum repositories ...
[ INFO ] Installing package(s): epel-release
Loaded plugins: fastestmirror
Setting up Install Process
Loading mirror speeds from cached hostfile
* base: mirrors.btte.net
* extras: mirrors.btte.net
* updates: mirrors.sina.cn
http://iredmail.org/yum/rpms/6/repodata/repomd.xml: [Errno 14] PYCURL ERROR 56 - "Failure when receiving data from the peer"
Trying other mirror.
Error: Cannot retrieve repository metadata (repomd.xml) for repository: iRedMail. Please verify its path and try again
[ INFO ] Fetching source tarballs ...
[ INFO ] + 1 of 3: http://iredmail.org/yum/misc/iRedAdmin-0.4.2.tar.bz2
[ INFO ] + 2 of 3: http://iredmail.org/yum/misc/iRedAPD-1.6.0.tar.bz2
[ INFO ] + 3 of 3: http://iredmail.org/yum/misc/roundcubem … ete.tar.gz
[ INFO ] Validate packages ...md5sum: WARNING: 1 of 3 computed checksums did NOT match
misc/roundcubemail-1.1.1-complete.tar.gz: FAILED
        [ FAILED ]
<< ERROR >> MD5 check failed. Script exit ...

1.
<< ERROR >> MD5 check failed. Script exit ...
2.
直接wget下载不了包,不过我在翻墙的本机下载了

我希望可以成功安装上