diff --git a/install_update_dovecot.sh b/install_update_dovecot.sh
index 86d547d..3419530 100755
--- a/install_update_dovecot.sh
+++ b/install_update_dovecot.sh
@@ -2524,6 +2524,7 @@ else
    fatal "Adjusting file /usr/local/dovecot-${_version}/etc/dovecot/conf.d/10-master.conf failed"
 fi
 
+
 ## - edit /usr/local/dovecot/etc/dovecot/dovecot.conf
 ## - 
 ## - add:
@@ -2877,6 +2878,66 @@ EOF
 fi
 
 
+## - configure post-login service (10-master.conf)
+## -
+## - see also: https://wiki.dovecot.org/PostLoginScripting
+## -
+echononl "\tAdd script '/usr/local/dovecot-${_version}/bin/post-login.sh'.."
+cat <<EOF > /usr/local/dovecot-${_version}/bin/post-login.sh
+#!/usr/bin/env bash
+
+touch ~/.last_login
+
+exec "\$@"
+EOF
+if [[ $? -gt 0 ]] ; then
+	echo -e "$rc_failed"
+	error "Adding script '/usr/local/dovecot-${_version}/bin/post-login.sh' failed!"
+else
+	echo -e "$rc_done"
+fi
+
+echononl "\tSet Permissions of 'post-login.sh' .."
+chmod 755 "/usr/local/dovecot-${_version}/bin/post-login.sh" > /dev/null 2>&1
+if [[ $? -gt 0 ]] ; then
+	echo -e "$rc_failed"
+	error "Setting permissions to '/usr/local/dovecot-${_version}/bin/post-login.sh' failed!"
+else
+	echo -e "$rc_done"
+fi
+
+_failed=false
+echononl "\tConfigure post-login service (10-master.conf)"
+perl -i -n -p -e "s#^(\s*)(service\s+imap\s+{.*)#\1\2\n\1  \# tell imap to do post-login lookup using a socket called \"imap-postlogin\"\n\1  executable = imap post-login\n#g" \
+   /usr/local/dovecot-${_version}/etc/dovecot/conf.d/10-master.conf || _failed=true
+perl -i -n -p -e "s#^(\s*)(service\s+pop3\s+{.*)#\1\2\n\1  \# tell imap to do post-login lookup using a socket called \"imap-postlogin\"\n\1  executable = pop3 post-login\n#g" \
+   /usr/local/dovecot-${_version}/etc/dovecot/conf.d/10-master.conf || _failed=true
+cat <<EOF >> /usr/local/dovecot-${_version}/etc/dovecot/conf.d/10-master.conf
+
+service post-login {
+  # all post-login scripts are executed via script-login binary
+  executable = script-login /usr/local/dovecot/bin/post-login.sh
+
+  # the script process runs as the user specified here:
+  user = vmail
+
+  # this UNIX socket listener must use the same name as given to imap executable
+  unix_listener post-login {
+  }
+}
+EOF
+if [[ $? -gt 0 ]] ; then
+	_failed=true
+fi
+
+if ! $_failed ; then
+   echo -e "$rc_done"
+else
+   echo -e "$rc_failed"
+   fatal "Configuring 'post-login' service failed!"
+fi
+
+
 ## - edit /usr/local/dovecot/etc/dovecot/conf.d/90-quota.conf
 ## - 
 ## - add to the end of file or in seperate plugin-blocks