I can't send a message with postfix. Error: "Must issue STARTTLS first" (2 Solutions!!)

I can't send a message with postfix. Error: "Must issue STARTTLS first" (2 Solutions!!)

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POSTFIX:Must issue a STARTTLS command first. Email not being send from commandline ubuntu
POSTFIX:Must issue a STARTTLS command first. Email not being send from commandline ubuntu
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