Fixed Missing package and ROundcube setup issue:

src/modules/stack/install/mail/ee_mod_install_dovecot.sh

@@ -19,7 +19,7 @@ function ee_mod_install_dovecot()
 	ee_lib_echo "Installing Dovecot, please wait..."
 	debconf-set-selections <<< "dovecot-core dovecot-core/create-ssl-cert boolean yes"
 	debconf-set-selections <<< "dovecot-core dovecot-core/ssl-cert-name string $(hostname -f)"
-	$EE_APT_GET install dovecot-core dovecot-imapd dovecot-pop3d dovecot-lmtpd dovecot-mysql dovecot-sieve dovecot-managesieved \
+	$EE_APT_GET install dovecot-core dovecot-imapd dovecot-pop3d dovecot-lmtpd dovecot-mysql dovecot-sieve dovecot-managesieved postfix-mysql \
 	|| ee_lib_error "Unable to install Dovecot, exit status = " $?
 
 }

src/modules/stack/install/mail/ee_mod_setup_sieve.sh

@@ -21,7 +21,7 @@ function ee_mod_setup_sieve()
 	|| ee_lib_error "Unable to compile Sieve rules, exit status = " $?
 
 	# Configure Roundcube 
-	sed -i "s:\$config\['plugins'\] = array(:\$config\['plugins'\] = array(\n    'sieverules':" /var/www/roundcubemail/htdocs/config/config.inc.php \
+	sed -i "s:\$config\['plugins'\] = array(:\$config\['plugins'\] = array(\n    'sieverules',:" /var/www/roundcubemail/htdocs/config/config.inc.php \
 	|| ee_lib_error "Unable to configure Sieve Roundcube plugin, exit status = " $?
 	echo "\$config['sieverules_port'] = 4190;" >> /var/www/roundcubemail/htdocs/config/config.inc.php
 }