STARTTLS

STARTTLS

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Enable stream encryption (V8.11 and above)

tune with confENVDEF

This STARTTLS compile-time macro was first introduced with V8.11 sendmail . STARTTLS, and the subject of stream encryption that it is used for, are covered completely in Section 10.10. Also see the TLS_NO_RSA macro (TLS_NO_RSA).