Content-Type: multipart/mixed; boundary="boundary"

Content-Type: text/plain

first part From the RFC about ending boundary: =================================================================== NOTE TO IMPLEMENTORS: Boundary string comparisons must compare the boundary value with the beginning of each candidate line. An exact match of the entire candidate line is not required; it is sufficient that the boundary appear in its entirety following the CRLF. =================================================================== --boundary-- The above boundary should be part of the epilogue, too.