diff --git a/README.md b/README.md
index c996618..9ae815d 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 * Send email notification if command fails with [de-p1st-execNotify](src/de/p1st/exec_notify/execNotify.py).
 * Send unconditional notifications with [de-p1st-notify](src/de/p1st/exec_notify/notify.py).
 
-## Installation
+## Installation - venv
 
 More detailed instructions about _venv_ can be found at [https://docs.python.org/3/library/venv.html](https://docs.python.org/3/library/venv.html)
 
@@ -23,7 +23,7 @@ source ~/execNotify/venv/bin/activate
 Option A: Install the module from TestPyPI:
 
 ```shell
-python3 -m pip install --index-url https://test.pypi.org/simple/ --no-deps --upgrade de-p1st-execNotify
+python3 -m pip install --index-url https://test.pypi.org/simple/ --no-deps --upgrade de.p1st.exec-notify
 ```
 
 The above command uses the parameter `--no-deps`:
@@ -45,6 +45,12 @@ python3 -m pip install ~/Downloads/git/execNotify/
 pip list
 ```
 
+## Instalation - global
+
+```shell
+sudo python3 -m pip install --index-url https://test.pypi.org/simple/ --no-deps --upgrade de.p1st.exec-notify
+```
+
 ## Configuration
 
 Create configuration file `/etc/execNotify/cfg.ini`.
diff --git a/setup.cfg b/setup.cfg
index 6f2762b..7f9d387 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -3,7 +3,7 @@
 
 [metadata]
 name = de.p1st.exec_notify
-version = 0.1.0
+version = 0.1.1
 author = Daniel Langbein
 author_email = daniel@systemli.org
 description = Send mail with process output
diff --git a/src/de/p1st/exec_notify/lib/mail.py b/src/de/p1st/exec_notify/lib/mail.py
index 1840fd4..e7044c5 100644
--- a/src/de/p1st/exec_notify/lib/mail.py
+++ b/src/de/p1st/exec_notify/lib/mail.py
@@ -76,4 +76,8 @@ def localMailExists():
     """
     :return: True if local mail exists in maildir folder. Once the mail is read the user shall delete (or move) it.
     """
-    return len(list(config.getMailDir().iterdir())) > 0
+    mailDir = config.getMailDir()
+    if not mailDir.exists():
+        return False
+    else:
+        return len(list(mailDir.iterdir())) > 0