echo "Initializing GnuTLS DH parameter file" 1>&2
tempgnutls=$(tempfile --directory /var/spool/exim4 --mode 644 --prefix "gnutp")
chown Debian-exim:Debian-exim $tempgnutls
- if [ -x /usr/bin/certtool ] && \
+ if which certtool > /dev/null 2>&1 && \
timeout --preserve-status --kill-after=15 120 \
certtool --generate-dh-params --bits 2048 > $tempgnutls ; then
mv $tempgnutls /var/spool/exim4/gnutls-params-2048