octet-stream v mailu

Torej dobim en mail, ki ima priponko zakoderano z octet-stream. Kako to pretvort v človeku dostojno vsebino z uporabo PHP.

Izgleda pa takole:

Content-Type: application/octet-stream; name="PRIPONKA.TXT";
name="PRIPONKA.TXT"
Content-Transfer-Encoding: base64
Content-Description: PRIPONKA.TXT
Content-Disposition: attachment;
filename="PRIPONKA.TXT"

ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg
ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg
ICAgICAgDQogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg
ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg
ICAgICAgICAgICAgICANCiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg
ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg...... itd.

no morm rečt da mi je že prej ratal, in zakaj mi sploh ni? ker morš res SAMO tiste čačke not dat in niti pikice več ali manj... oz. vsaj men je to delal težave