sendmail, 4th Edition

${cn_subject}

Common name of certificate V8.11 and above

As a part of the STARTTLS form of authentication and encryption, certificates are usually exchanged. If a certificate is presented by the other side, this ${cn_issuer} macro is assigned the CN of that certificate. That value might look like this:

 Juan+20Garcia   a person's name  Garcia's+20Software   a business name  

See Section 21.6.2 to find how and why the value in this macro undergoes special translation.

${cn_subject} is transient. If it is defined in the configuration file or in the command line, that definition can be ignored by sendmail . Also note that a $& prefix is necessary when you reference this macro in rules (that is, use $&{cn_subject} , not ${cn_subject} ).



Sendmail
sendmail, 4th Edition
ISBN: 0596510292
EAN: 2147483647
Year: 2002
Pages: 1174

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