Switched from Rainloop to SnappyMail since it seems to be abandoned

Resources/UpdateSnappyMail.sh

@@ -0,0 +1,24 @@
+#!/bin/ash
+##Script for updating SnappyMailVer
+NewSnappyMailVer=$(curl -s https://api.github.com/repos/the-djmaze/snappymail/releases/latest | grep 'tag_name.*' | cut -d : -f 2,3 | tr -d \" |tr -d , |tr -d " ")
+
+printf "SnappyMail: checking for upgrades... "
+
+if [ "$NewSnappyMailVer" != "$(cat /opt/SnappyMail-installed)" ];
+then
+    echo "update found"
+    #Backup Config
+    mv /opt/webmail/data/_data_ /tmp/_data_
+    rm -rf /opt/webmail
+    curl -L https://github.com/the-djmaze/snappymail/releases/download/$NewSnappyMailVer/snappymail-${NewSnappyMailVer//v}.tar.gz -o /tmp/smc.tar.gz || exit 1
+    tar -C /opt/webmail -xzf /tmp/smc.tar.gz 
+    chown -R nginx:nginx  /opt/webmail
+    find /opt/webmail/ -type d -exec chmod 755 {} \;
+    find /opt/webmail/ -type f -exec chmod 644 {} \;
+    echo $NewSnappyMailVer > /opt/webmail-installed
+    #Restore config
+    mv /tmp/_data_ /opt/webmail/data/_data_ 
+    echo "upgrade complete"
+else
+    echo "update not found"
+fi