Jyxo\Mail\Email::addHeader PHP Method

Adds a custom header.

public addHeader ( Header $header ) : self
$header	Jyxo\Mail\Email\Header	Header
return	self

    public function addHeader(\Jyxo\Mail\Email\Header $header) : self
    {
        $this->headers[] = $header;
        return $this;
    }