What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter ??™.??™, the field will be left blank.
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* If you have already edited your /etc/ssl/openssl.conf or /usr/local/ssl/openssl.conf file, you will have answered
these questions already and won??™t need to answer them here.
This is the Title of the Book, eMatter Edition
Copyright ?© 2007 O??™Reilly & Associates, Inc. All rights reserved.
208 | Chapter 5: Authentication and Encryption
Country Name (2 letter code) [AU]:US
State or Province Name (full name) [Some-State]:California
Locality Name (eg, city) []:Emeryville
Organization Name (eg, company) [Internet Widgits Pty Ltd]:your domain
Organizational Unit Name (eg, section) []:.
Common Name (eg, YOUR name) []:mail.your.domain
Email Address []:you@your.domain
Note that the ???Common Name??? must exactly match the hostname of the system on
which the certificate will be used. If it differs, some clients may complain about a
certificate-to-hostname mismatch.
The next step is to create a certificate for use with sendmail. You will have to perform
this step whenever a new cert is required. The umask(1) in the following code
ensures that every file created for the rest of this session will be writable only by root.
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