uso kali la version mas recientei
hola estoi teniendo unos problemas con mis repertorios apt-get install no me sirve con ningun paquete
y ya probe apt-get update y upgrade y aparte estoi intentando instalar postfix de forma manual atraves del archivo de su respectiva pagina y miren

postfix/postfix-3.1.1# make
make -f Makefile.in MAKELEVEL= Makefiles
(echo "# Do not edit -- this file documents how Postfix was built for your machine."; /bin/sh makedefs) >makedefs.tmp
No <db.h> include file found.
Install the appropriate db*-devel package first.
Makefile.in:31: recipe for target 'Makefiles' failed
make: *** [Makefiles] Error 1
Makefile:22: recipe for target 'Makefiles' failed
make: *** [Makefiles] Error 2