n = blob_size(pMsg);
  for(i=0; i<n; i+=54){
    k = translateBase64(blob_buffer(pMsg)+i, i+54<n ? 54 : n-i, zBuf);
    blob_append(pOut, zBuf, k);
    blob_append(pOut, "\r\n", 2);
  }
}

#if defined(_WIN32) || defined(WIN32)
# undef popen
# define popen _popen
# undef pclose
# define pclose _pclose
#endif

/*
** Send an email message using whatever sending mechanism is configured
** by these settings:
**
**   email-send-method    "off"   Do not send any emails
**                        "pipe"  Pipe the email to email-send-command