lib/custom/src/MW/Mail/Message/Swift.php
public function addHeader( $name, $value )
	{
		$hs = $this->object->getHeaders();
		$hs->addTextHeader( $name, $value );
		return $this;
	}
public function addHeader( $name, $value )
	{
		$hs = $this->object->getHeaders();
		$hs->addTextHeader( $name, $value );
		return $this;
	}
public function addHeader ( $ name , $ value ) { $ hs = $ this -> object -> getHeaders ( ) ; $ hs -> addTextHeader ( $ name , $ value ) ; return $ this ; }
Adds a custom header to the message.

@param string $name Name of the custom e-mail header
@param string $value Text content of the custom e-mail header
@return \Aimeos\MW\Mail\Message\Iface Message object
Adds a custom header to the message .