diff --git a/technical-documentation.md b/technical-documentation.md
index aa9fe2d..1f874d1 100644
--- a/technical-documentation.md
+++ b/technical-documentation.md
@@ -27,6 +27,9 @@ There are certain dependencies for konova:
     * Entries that are create or edited and hold a geometry will try to resolve the legal parcel information using the geometry
     * The application `Schneider` provides such functionalities and lives on lanis-gov02
         * More info on `Schneider` can be found [here](https://git.naturschutz.rlp.de/SGD-Nord/schneider/wiki) 
+* E-Mail sending
+    * An instance of any smtp server must be reachable (e.g. LDI own)
+    * To be able to send any mails, the proper configurations must be set in `django_settings.py` (e.g. `EMAIL_HOST`, `EMAIL_PORT`, ...)
 
 ## API
 All details regarding the API can be found [here](https://git.naturschutz.rlp.de/SGD-Nord/konova/wiki/api_de).
@@ -50,4 +53,7 @@ Each entries behaviour can be configured using the attributes:
         * warning --> warning, light red background color 
 
 ## Restoring deleted entries
-All major entries (EIV, KOM, EMA, OEK) can be restored if they have been 'deleted' by a user. On the backend admin: Mark the entry using the checkbox and select from the drop-down menu the restore-deleted-entry action.  
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+All major entries (EIV, KOM, EMA, OEK) can be restored if they have been 'deleted' by a user. On the backend admin: Mark the entry using the checkbox and select from the drop-down menu the restore-deleted-entry action.  
+
+## Errors
+If any errors occur on the deployed system, the error will automatically been sent to all mail addresses that are defined as `ADMINS` in `django_settings.py`.
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