all docker references cleared, fixes

mail.sh

@@ -29,7 +29,7 @@ else
 fi
 
 if [ "$myip" != "$MAILSERVER_IP" ]; then
-    $REMOTE=yes
+    REMOTE=yes
 fi
 
 TO=$1
@@ -46,9 +46,9 @@ fi
 # Mail body aus Datei oder STDIN holen
 CONTENT=$(cat ${1:--})
 
-MAILCMD="$PODMAN exec -i $MAILCONTAINER /usr/sbin/sendmail -i -t"
+MAILCMD="$SUDO $PODMAN exec -i $MAILCONTAINER /usr/sbin/sendmail -i -t"
 if [ ! -z "$REMOTE" ]; then
-    MAILCMD="ssh $MAILSERVER_IP \"$SUDO $MAILCMD\""
+    MAILCMD="ssh $MAILSERVER_IP \"$MAILCMD\""
 fi
 # construct mail header + content and pipe to sendmail
 cat <<EOMB | $MAILCMD