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FrançaisHELO / EHLO
The first thing a mail server says when it connects to another one: essentially “hello, this is my hostname.” EHLO is the modern, capability-announcing version of the older HELO greeting.
The first thing a mail server says when it connects to another one: essentially “hello, this is my hostname.” EHLO is the modern, capability-announcing version of the older HELO greeting.