Published at LXer:
Procedure for creating a CSR on postfix MTA is just like web server. You need to use OpenSSL which is a cryptography toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) network protocols and related ryptography standards under Linux / UNIX. To configure postfix SSL SMTP you need 3 files (a) The private key (b) Your .crt certificate file (c) CA certificate Linux Postfix mail server SSL certificate installations and configuration
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