Add upgrade script

For /usr/local/hestia/ssl/mail/*  certificates

func/domain.sh

@@ -714,6 +714,8 @@ add_mail_ssl_config() {
     echo "  ssl_cert = <$HOMEDIR/$user/conf/mail/$domain/ssl/$domain.pem" >> /etc/dovecot/conf.d/domains/$domain.conf
     echo "  ssl_key = <$HOMEDIR/$user/conf/mail/$domain/ssl/$domain.key" >> /etc/dovecot/conf.d/domains/$domain.conf
     echo "}" >> /etc/dovecot/conf.d/domains/$domain.conf
+    
+    # Add domain SSL configuration to exim4
     ln -s $HOMEDIR/$user/conf/mail/$domain/ssl/$domain.pem $HESTIA/ssl/mail/mail.$domain.crt
     ln -s $HOMEDIR/$user/conf/mail/$domain/ssl/$domain.key $HESTIA/ssl/mail/mail.$domain.key
 

install/upgrade/versions/1.4.13.sh

@@ -6,3 +6,6 @@
 #######                      Place additional commands below.                   #######
 #######################################################################################
 
+if [ -e "$HESTIA/ssl/mail/" ]; then
+    rm -fr $HESTIA/ssl/mail/*
+fi