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--- a/README.md
+++ b/README.md
@@ -212,6 +212,38 @@ With the **Mail Queue** mode, you can see the current content of your mailing qu
  	
 Additionally you can now filter the mail queue or export it to a csv file.
 
+## Blacklisting templates
+It is possible to exlude certain templates for all or specific domains. Excluded templates are not shown in the backend module
+and their mails are never send.
+Mails from these templates are still logged and you can search for them in the backend module. 
+
+### Blacklisting templates for all domains
+In the extension configuration setting **general.excludeTemplatesAllDomains**, you can specify which templates should be excluded for all domains with a comma seperated list.
+
+Example:
+
+	sg_comments.approved, sg_comments.declined
+	
+The templates "approved" and "declined" of the extension sg_comments are blacklisted for every domain.
+
+### Blacklisting templates for certain domains
+In the extension configuration setting **general.excludeTemplates**, ou can specify which templates should be excluded for which domains with a Semicolon separated list of comma separated list.
+
+The comma seperated lists contain the page id and the templates to be excluded.
+
+Example:
+
+	1, sg_comments.approved, sg_example.welcome;10, sg_comments.declined
+	
+The template "approved" of the extension sg_comments and the template "welcome" of the extension sg_example are blacklisted for the domain with the page id 1.
+
+The template "declied" of the extension sg_comments is blacklisted for the domain with the page id 10.
+
+If the page ids are missing or not correspond to a site root, the configuration has simply no effect.
+
+### Searching for emails from blacklisted templates
+In the backend module mode "Queue" you can filter for "Blacklisted" mails. Note: you shouldn't select a template filter to see the blacklisted mails.
+
 ## Known Facts
 
 ### Countries aren't respected yet. Currently just languages are used.