With the following mime headers posted from the Silkymail
compose screen:

Content-type: multipart/form-data; boundary=---------------------------21140735331682
Content-Length: 714
-----------------------------21140735331682
Content-Disposition: form-data; name="actionID"
-----------------------------21140735331682
Content-Disposition: form-data; name="copyto"
-----------------------------21140735331682
Content-Disposition: form-data; name="to"
-----------------------------21140735331682
Content-Disposition: form-data; name="cc"
-----------------------------21140735331682
Content-Disposition: form-data; name="bcc"
-----------------------------21140735331682
Content-Disposition: form-data; name="subject"
-----------------------------21140735331682
Content-Disposition: form-data; name="message"
-----------------------------21140735331682--

apache gets a segmentation violation.  Here is a library
call trace:

    -> libc:strncmp(0x13e0a3, 0xefffe354, 0x28, 0x2d)
    <- libc:strncmp() = -6
    -> libc:memchr(0x13e0a4, 0x2d, 0x25e, 0x35393632)
    <- libc:memchr() = 0x13e0a4
    -> libc:strncmp(0x13e0a4, 0xefffe354, 0x28, 0x2d)
    <- libc:strncmp() = -6
    -> libc:memchr(0x13e0a5, 0x2d, 0x25d, 0x0)
    <- libc:memchr() = 0x13e0a5
    -> libc:strncmp(0x13e0a5, 0xefffe354, 0x28, 0x2d)
    <- libc:strncmp() = 0
    -> libc:strlen(0x0, 0xefffe37c, 0xffffffff, 0x31343034)
    Incurred fault #6, FLTBOUNDS  %pc = 0xEF6329EC
      siginfo: SIGSEGV SEGV_MAPERR addr=0x00000000
    Received signal #11, SIGSEGV [default]
      siginfo: SIGSEGV SEGV_MAPERR addr=0x00000000
        *** process killed ***

This is because `sbuf' is NULL.  The following patchs fixes it,
although I don't know that the logic is correct:

*** mime.Oc     Sat Sep  9 16:05:45 2000
--- mime.c      Thu Nov  9 20:49:12 2000
***************
*** 184,190 ****
                                *(loc - 4) = '\0';
  
                                /* Check to make sure we are not overwriting special file upload variables */
!                               if(memcmp(namebuf,sbuf,strlen(sbuf))) {
                                        _php3_parse_gpc_data(ptr,namebuf,http_post_vars);
                                }
  
--- 184,190 ----
                                *(loc - 4) = '\0';
  
                                /* Check to make sure we are not overwriting special file upload variables */
!                               if(sbuf && memcmp(namebuf,sbuf,strlen(sbuf))) {
                                        _php3_parse_gpc_data(ptr,namebuf,http_post_vars);
                                }
  

php is built this way:
env CC=cc \
        ./configure \
        --with-db2=/usr/local/src/db/db-2.4.14/Unix \
        --with-apxs=/usr/local/apache/sbin/apxs \
        --with-ldap=/usr/local/src/ldap/openldap-1.2.11 \
        --with-imap=/usr/local/src/c-client/imap-2000 \
        --with-imsp=/usr/local/src/c-client/libimsp \
        --with-mysql=/usr/local/src/mysql/mysql-3.22.32