diff --git a/data/web/inc/lib/sieve/extensions/enotify.xml b/data/web/inc/lib/sieve/extensions/enotify.xml
new file mode 100644
index 000000000..b4686a333
--- /dev/null
+++ b/data/web/inc/lib/sieve/extensions/enotify.xml
@@ -0,0 +1,33 @@
+<?xml version='1.0' standalone='yes'?>
+
+<extension name="enotify">
+    <command name="notify">
+        <parameter type="tag" name="from" occurrence="optional">
+            <parameter type="string" name="from-address" />
+        </parameter>
+
+        <parameter type="tag" name="importance" regex="(1|2|3)" occurrence="optional" />
+
+        <parameter type="tag" name="options" occurrence="optional">
+            <parameter type="stringlist" name="option-strings" />
+        </parameter>
+
+        <parameter type="tag" name="message" occurrence="optional">
+            <parameter type="string" name="message-text" />
+        </parameter>
+
+        <parameter type="string" name="method" />
+    </command>
+
+    <test name="valid_notify_method">
+        <parameter type="stringlist" name="notification-uris" />
+    </test>
+
+    <test name="notify_method_capability">
+        <parameter type="string" name="notification-uri" />
+        <parameter type="string" name="notification-capability" />
+        <parameter type="stringlist" name="key-list" />
+    </test>
+
+    <modifier name="encodeurl" />
+</extension>
\ No newline at end of file
diff --git a/data/web/inc/lib/sieve/extensions/mime.xml b/data/web/inc/lib/sieve/extensions/mime.xml
new file mode 100644
index 000000000..d7e200f02
--- /dev/null
+++ b/data/web/inc/lib/sieve/extensions/mime.xml
@@ -0,0 +1,58 @@
+<?xml version='1.0' standalone='yes'?>
+
+<extension name="mime">
+    <command name="foreverypart">
+        <parameter type="string" name="name" occurrence="optional" />
+        <block />
+    </command>
+
+    <command name="break">
+        <parameter type="string" name="name" occurrence="optional" />
+    </command>
+
+    <tagged-argument extends="(header|address|exists)">
+        <parameter type="tag" name="mime" regex="mime" occurrence="optional" />
+    </tagged-argument>
+    <tagged-argument extends="(header|address|exists)">
+        <parameter type="tag" name="anychild" regex="anychild" occurrence="optional" />
+    </tagged-argument>
+    <tagged-argument extends="(header)">
+        <parameter type="tag" name="type" occurrence="optional" />
+    </tagged-argument>
+    <tagged-argument extends="(header)">
+        <parameter type="tag" name="subtype" occurrence="optional" />
+    </tagged-argument>
+    <tagged-argument extends="(header)">
+        <parameter type="tag" name="contenttype" occurrence="optional" />
+    </tagged-argument>
+    <tagged-argument extends="(header)">
+        <parameter type="tag" name="param" regex="param" occurrence="optional">
+            <parameter type="stringlist" name="param-list" />
+        </parameter>
+    </tagged-argument>
+    <tagged-argument extends="(header|address|exists)">
+        <parameter type="stringlist" name="header-names" />
+    </tagged-argument>
+    <tagged-argument extends="(header)">
+        <parameter type="stringlist" name="key-list" />
+    </tagged-argument>
+
+    <action name="replace">
+        <parameter type="tag" name="mime" regex="mime" occurrence="optional" />
+        <parameter type="string" name="subject" occurrence="optional" />
+        <parameter type="string" name="from" occurrence="optional" />
+        <parameter type="string" name="replacement" />
+    </action>
+
+    <action name="enclose">
+        <parameter type="string" name="subject" occurrence="optional" />
+        <parameter type="stringlist" name="headers" occurrence="optional" />
+        <parameter type="string" name="text" />
+    </action>
+
+    <action name="extracttext">
+        <parameter type="tag" name="first" regex="first" occurrence="optional" />
+        <parameter type="number" name="number" occurrence="optional" />
+        <parameter type="string" name="varname" />
+    </action>
+</extension>
\ No newline at end of file