diff --git a/CHANGELOG.md b/CHANGELOG.md
index 579e7aeea2..4e0d52eec1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ HumHub Changelog
 ----------------------
 - Fix #5822: Fix content width in mobile view
 - Fix #5825: Fix format date to mysql on date stream filter
+- Fix #5814: Fix numerated lists in mail summary content
 - Fix #5830: Fix cron job of search index rebuilding
 
 1.12.0 (July 27, 2022)
diff --git a/protected/humhub/modules/content/tests/codeception/unit/widgets/RichTextShortTextConverterTest.php b/protected/humhub/modules/content/tests/codeception/unit/widgets/RichTextShortTextConverterTest.php
index bf9fdfae51..61ede0d81c 100644
--- a/protected/humhub/modules/content/tests/codeception/unit/widgets/RichTextShortTextConverterTest.php
+++ b/protected/humhub/modules/content/tests/codeception/unit/widgets/RichTextShortTextConverterTest.php
@@ -522,6 +522,17 @@ class RichTextShortTextConverterTest extends HumHubDbTestCase
             "This is a list 1. First Element 2. Second Element");
     }
 
+    public function testConvertOrderedListWithCustomNumbers()
+    {
+        $this->assertConversionResult(
+            "This is a list\n\n21. November - First line\n22. November - Second line\n23. November - Third line",
+            'This is a list 21. November - First line 22. November - Second line 23. November - Third line');
+
+        $this->assertConversionResult(
+            "This is a list\n\n29. November - First line\n24. November - Second line\n15. November - Third line",
+            'This is a list 29. November - First line 24. November - Second line 15. November - Third line');
+    }
+
     public function testConvertOrderedSubList()
     {
         $this->assertConversionResult(
diff --git a/protected/humhub/modules/content/widgets/richtext/converter/BaseRichTextConverter.php b/protected/humhub/modules/content/widgets/richtext/converter/BaseRichTextConverter.php
index f4b1661634..8ce1175359 100644
--- a/protected/humhub/modules/content/widgets/richtext/converter/BaseRichTextConverter.php
+++ b/protected/humhub/modules/content/widgets/richtext/converter/BaseRichTextConverter.php
@@ -539,4 +539,24 @@ REGEXP;
     {
         return preg_replace('/\<br(\s*)?\/?\>/i', "\n", $text);
     }
-}
+
+    /**
+     * @inheritdoc
+     */
+    protected function consumeOl($lines, $current)
+    {
+        $result = parent::consumeOl($lines, $current);
+
+        if (is_array($lines) && count($lines) > 0 && !empty($result[0]['items'])) {
+            $result[0]['origNums'] = [];
+            $i = array_keys($result[0]['items'])[0];
+            foreach ($lines as $line) {
+                if (preg_match('/^(\d+)\./', $line, $num)) {
+                    $result[0]['origNums'][$i++] = $num[1];
+                }
+            }
+        }
+
+        return $result;
+    }
+}
\ No newline at end of file
diff --git a/protected/humhub/modules/content/widgets/richtext/converter/RichTextToMarkdownConverter.php b/protected/humhub/modules/content/widgets/richtext/converter/RichTextToMarkdownConverter.php
index a722435711..f6bd103868 100644
--- a/protected/humhub/modules/content/widgets/richtext/converter/RichTextToMarkdownConverter.php
+++ b/protected/humhub/modules/content/widgets/richtext/converter/RichTextToMarkdownConverter.php
@@ -178,7 +178,7 @@ class RichTextToMarkdownConverter extends BaseRichTextConverter
             unset( $line );
 
             $output .= $level !== 0 ? "\n".str_repeat(' ', $level * 3) : '';
-            $output .= $block['list'] === 'ol' ? ++$count.'. ' : '- ';
+            $output .= $block['list'] === 'ol' ? (isset($block['origNums'][$item]) ? $block['origNums'][$item] : ++$count).'. ' : '- ';
             $output .= $this->renderAbsy($itemLines). ($level === 0 ? "\n" : '');
         }