Enquanto estou tentando instalar o pacote abaixo: Estou seguindo o link - link
apt-get -y install postfix postfix-mysql postfix-doc mysql-client
mysql-server openssl getmail4 rkhunter binutils dovecot-imapd
dovecot-pop3d dovecot-mysql dovecot-sieve dovecot-lmtpd sudo
Estou recebendo o erro abaixo:
The following packages have unmet dependencies:
dovecot-lmtpd : Depends: dovecot-core (= 1:2.2.22-1ubuntu2) but 1:2.2.22-1ubuntu2.2 is to be installed
dovecot-mysql : Depends: dovecot-core (= 1:2.2.22-1ubuntu2) but 1:2.2.22-1ubuntu2.2 is to be installed
Estes repositórios adicionados na minha lista de fontes:
deb http://de.archive.ubuntu.com/ubuntu/ xenial main restricted
deb http://de.archive.ubuntu.com/ubuntu/ xenial-updates main restricted
deb http://de.archive.ubuntu.com/ubuntu/ xenial universe
deb http://de.archive.ubuntu.com/ubuntu/ xenial multiverse
deb http://de.archive.ubuntu.com/ubuntu/ xenial-updates multiverse
deb http://de.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse
deb http://security.ubuntu.com/ubuntu xenial-security main restricted
deb http://security.ubuntu.com/ubuntu xenial-security universe
deb http://security.ubuntu.com/ubuntu xenial-security multiverse
é o Ubuntu 16.04. Como eu posso resolver isso.