试验环境为:redhat6.2、sendmail.8.11.4、qpopper4.0.3。
三、软件下载
分别从以下地址下载sendmail和qpopper:
sendmail.8.11.4.tar.gz http://www.sendmail.org/current-release.html
qpopper4.0.3.tar.gz http://www.eudora.com/qpopper_general/
四、Sendmail的配置和安装
Sendmail是目前使用最为广泛的一种E-Mail服务器。当前其最新的稳定版本为8.11.4。下载得到tar.gz格式的压缩包以后,将其存放在/usr/src目录下。
解压软件包:
[root@email src]# tar xvfz sendmail.8.11.4.tar.gz
[root@email src]# cd sendmail-8.11.4
编译安装:
[root@email sendmail-8.11.4]# cd sendmail
[root@email sendmail]# sh Build
生成配置文件:
[root@email sendmail]#cd /usr/src/sendmail-8.11.4/cf/cf/
一般该目录下应该有config.mc的文件,如果没有则创建新文件config.mc,内容为:
divert(-1)
dnl This is the macro config file used to generate the /etc/sendmail.cf
dnl file. If you modify thei file you will have to regenerate the
dnl /etc/sendmail.cf by running this macro config through the m4
dnl preprocessor:
dnl m4 /etc/sendmail.mc > /etc/sendmail.cf
dnl You will need to have the Sendmail-cf package installed for this to work.
include(`/usr/src/sendmail-8.11.4/cf')
define(`confDEF_USER_ID',`8:12')
OSTYPE(`linux')
undefine(`UUCP_RELAY')
undefine(`BITNET_RELAY')
define(`confAUTO_REBUILD')
define(`confTO_CONNECT', `1m')
define(`confTRY_NULL_MX_LIST',true)
define(`confDONT_PROBE_INTERFACES',true)
define(`PROCMAIL_MAILER_PATH',`/usr/bin/procmail')
FEATURE(`smrsh',`/usr/sbin/smrsh')
FEATURE(`mailertable',`hash -o /etc/mail/mailertable')
FEATURE(`virtusertable',`hash -o /etc/mail/virtusertable')
FEATURE(redirect)
FEATURE(always_add_domain)
FEATURE(use_cw_file)
FEATURE(local_procmail)
MAILER(smtp)
MAILER(procmail)
FEATURE(`access_db')
FEATURE(`blacklist_recipients')
dnl We strongly recommend to comment this one out if you want to protect
dnl yourself from spam. However, the laptop and users on computers that do
dnl not hav 24x7 DNS do need this.
FEATURE(`accept_unresolvable_domains')
dnl FEATURE(`relay_based_on_MX')
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