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On RHEL5, install the mail system Postfix + CyrusSASL + dovecot -- Linux Enterprise Application-Linux server application information. For more information, see the following. RHEL5 is installed by default. No type of server is selected (such as WEB server, development server, and virtual server)
In addition, when postfix requires SMTP authentication, it will read/usr/lib/sasl2/smtpd. the content of the conf file is used to determine the authentication method used. Therefore, the/usr/lib/sasl2/smtpd must be ensured. the content of the conf file is:
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