How do I set up the Postfix mail server to send mutt command line generated email to my ISP's SMTP server address?

Updated -

Postfix can be configured to relay mail from a local client to another mail server. This is particularly useful if your Internet Service Provider (ISP) does not allow you to send mail direct from your client machine.

The Postfix Mail Transfer Agent (MTA) can relay mail from local mail clients to a specified mail server. It is the responsibility of the specified mail server to deliver th...

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