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Configure SSL
2012/06/16 |
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Configure SSL settings in order to encrypt datas in connection.
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| [1] | |
| [2] | Configure Postfix and Dovecot for SSL |
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[root@mail ~]#
vi /etc/postfix/main.cf # add at the last line smtpd_use_tls = yes
smtpd_tls_cert_file = /etc/pki/tls/certs/server.crt smtpd_tls_key_file = /etc/pki/tls/certs/server.key smtpd_tls_session_cache_database = btree:/etc/postfix/smtpd_scache
[root@mail ~]#
vi /etc/postfix/master.cf # line 22-24: uncomment smtps inet n - n - - smtpd -o syslog_name=postfix/smtps -o smtpd_tls_wrappermode=yes
[root@mail ~]#
vi /etc/dovecot/conf.d/10-ssl.conf # line 8: uncomment ssl = yes # line 14,15: uncomment and specify certificate ssl_cert = < /etc/pki/tls/certs/server.crt ssl_key = < /etc/pki/tls/certs/server.key
systemctl restart postfix.service [root@mail ~]# systemctl restart dovecot.service |
| Configure on client. Change settings like following example. (if you use PO3S, input '995 for incoming mail) |
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| Click syncronize on Windows Live Mail, then following warning is shown because certificate file is created on your server. It's no ploblem. Click 'Yes' to Proceed, then it's possible to send/receive emails trough SSL connection. |
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