如何使exim4拒绝其他ip使用服务器发送邮件？

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问题：

如何使exim4使其仅允许smtp连接仅从127.0.0.1发送邮件。

update-exim4.conf.conf


# /etc/exim4/update-exim4.conf.conf


#


# Edit this file and /etc/mailname by hand and execute update-exim4.conf


# yourself or use 'dpkg-reconfigure exim4-config'


#


# Please note that this is _not_ a dpkg-conffile and that automatic changes


# to this file might happen. The code handling this will honor your local


# changes, so this is usually fine, but will break local schemes that mess


# around with multiple versions of the file.


#


# update-exim4.conf uses this file to determine variable values to generate


# exim configuration macros for the configuration file.


#


# Most settings found in here do have corresponding questions in the


# Debconf configuration, but not all of them.


#


# This is a Debian specific file



dc_eximconfig_configtype='internet'


dc_other_hostnames='mydomain.com'


dc_local_interfaces='0.0.0.0 ; ::0'


dc_readhost=''


dc_relay_domains=''


dc_minimaldns='false'


dc_relay_nets=''


dc_smarthost=''


CFILEMODE='644'


dc_use_split_config='false'


dc_hide_mailname=''


dc_mailname_in_oh='true'


dc_localdelivery='mail_spool'

答案1：

在默认的exim4配置中，relay_from_hosts列表决定哪些主机可以从你的服务器发送邮件，查看Exim文档：


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