php + sendmail

Hello

I have php-fpm in my freebsd jail. php-fpm chrooted to
/usr/local/www/. I install mini-sendmail and linked
/usr/local/bin/mini_sendmail to /usr/local/www/ and i put
php_admin_value[sendmail_path] = /sendmail -t -i in to php-fpm.conf

php mail() return false

Log is empty. strace not work in amd64

php-fpm.conf:

error_log = /var/log/php-fpm.log
log_level = debug
chroot = /usr/local/www/
php_admin_value[sendmail_path] = /sendmail -t -i

hosting# file /usr/local/bin/mini_sendmail
/usr/local/bin/mini_sendmail: ELF 64-bit LSB executable, x86-64,
version 1 (FreeBSD), statically linked, for FreeBSD 8.0 (800505),
stripped

hosting# file /usr/local/www/sendmail
/usr/local/www/sendmail: symbolic link to `/usr/local/bin/mini_sendmail'

any idea?

Thanks