verona$ cd /usr/pkg/share/sendmail/cf

verona$ sudo make install-cf CF=netbsd-proto
rm -f netbsd-proto.cf
m4 ../m4/cf.m4 netbsd-proto.mc > netbsd-proto.cf || ( rm -f netbsd-proto.cf && exit 1 )
echo "### netbsd-proto.mc ###" >>netbsd-proto.cf
sed -e 's/^/# /' netbsd-proto.mc >>netbsd-proto.cf
chmod 444 netbsd-proto.cf
/usr/bin/install -c -o pbulk -g wheel -m 0444 netbsd-proto.cf /etc/mail/sendmail.cf
install: unknown user pbulk
*** Error code 1

Stop.
make: stopped in /usr/pkg/share/sendmail/cf
verona$ sudo make install-cf CF=netbsd-proto

verona$ sudo /usr/bin/install -c -o root  -g wheel -m 0444 netbsd-proto.cf /etc/mail/sendmail.cf