diff --git a/README.md b/README.md
index 3a2e69d..2f135ad 100644
--- a/README.md
+++ b/README.md
@@ -38,15 +38,29 @@ Thunderbird will be targeted soon.
 2. Create a mail rule based on your needs, executing the AppleScript defined before
 3. Configure mail_to_misp_config.py
 
+### Thunderbird
+
+1. Git clone https://github.com/rommelfs/filterscript and install plugin (instructions within the project description)
+2. Mail rule script
+- git clone this repository
+- open the bash script MUA/Mozilla/Thunderbird/thunderbird_wrapper.sh and adujst the paths
+- adjust the path to the python installation and location of the mail_to_misp.py script
+3. Create a mail rule based on your needs, executing the thunderbird_wrapper.sh script
+4. Configure mail_to_misp_config.py
+
 You should be able to create MISP events now.
 
 
 
 ## Requirements
 
+### General
+
 - mail_to_misp requires access to a MISP instance (via API).
 - urlmarker from https://github.com/rcompton/ryancompton.net/blob/master/assets/praw_drugs/urlmarker.py (contained in this project)
 - defang from https://bitbucket.org/johannestaas/defang
 - Optionally patch defang/defang/__init__.py and add dirty_line = dirty_line.replace('hXXp', 'http') at line 47
 
+### Thunderbird
 
+- https://github.com/rommelfs/filterscript (modified fork from https://github.com/adamnew123456/filterscript)