Uppetino

Se faccio echo $msg_body ottengo:

--Message-Boundary
Content-type: text/html; charset=iso-8859-1
Content-transfer-encoding: 7BIT
Content-description: Mail message body

Messaggio di prova

--86725c150167a4961b29391a3be91909
Content-type: application/zip; name="SenzaTitolo1.zip"
Content-Transfer-Encoding: BASE64
Content-disposition: attachment; filename="SenzaTitolo1.zip"

UEsDBAoAAAAIAASSLjNT9LxSHAAAACkAAAAQAAAAU2VuemFUaX RvbG8xLmNwcFPOzEvOKU1JVbBJ
z9FPz9HLsOPlUkYVKwULAgBQSwECFAAKAAAACAAEki4zU/S8UhwAAAApAAAAEAAAAAAAAAAAAAAA
AAAAAAAAU2VuemFUaXRvbG8xLmNwcFBLBQYAAAAAAQABAD4AAA BKAAAAAAA=

--86725c150167a4961b29391a3be91909--

A me sembra giusto allora perchè la scritta "Messaggio di prova" non arriva???