{stdenv, fetchurl}:
stdenv.mkDerivation {
name = "dovecot-1.0.3";
src = fetchurl {
url = http://dovecot.org/releases/1.0/dovecot-1.0.3.tar.gz;
sha256 = "14b3sbvj9xpm5mjwfavwrcwmzfdgian51ncspl8j83cd8j01jdjz";
};
}