[IMPORTANT] If you run Ubuntu 16.04, upgrade your kernel to linux-generic-hwe-16.04

[ClamAV] Remove deprecated parameter

update.sh

@@ -12,6 +12,14 @@ if [[ "$(uname -r)" =~ ^4\.15\.0-60 ]]; then
   exit 1
 fi
 
+if [[ "$(uname -r)" =~ ^4\.4\. ]]; then
+  if grep -q Ubuntu <<< $(uname -a); then
+    echo "DO NOT RUN mailcow ON THIS UBUNTU KERNEL!";
+    echo "Please update to linux-generic-hwe-16.04 by running \"apt-get install --install-recommends linux-generic-hwe-16.04\""
+  fi
+  exit 1
+fi
+
 # Exit on error and pipefail
 set -o pipefail