![]() ![]() ![]() You are about to be asked to enter information that will be incorporated For the common name, you should enter the full mail server address of your site. Most important is Common Name, in our example it is set to. # openssl req -new -nodes -keyout .key -out .csr Type the command to create a SSL CSR for a mail server called : Step # 1: Generating a CSR and private key for Postfix SMTP Let us see how to create certificate for Postfix smtp server called. crt certificate file (it will be send by CA) The private key generated using step #1. ![]() To configure postfix SSL SMTP you need 3 files 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 cryptography standards under Linux / UNIX. Procedure for creating a CSR on postfix MTA is just like web server. ![]()
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