[PHP] Parsing bounced emails

I need to parse bounced email I receive when I send a newsletter, to know the bounced address, the error code and the Id of the newsletter I sent. The bounced emails return to "[EMAIL PROTECTED]" address, so I can either read them with imap functions or sending to a php script by a pipe. What is b

[PHP] filesize ????

I need to calculate the size of an html email with embedded images. Filesize doesn't work to this purpose. How could I do without parsing the html file? Chau Aldo __ Tiscali Adsl 3 Mega Flat con 3 MESI GRATIS! Con Tiscali Adsl 3 Meg