diff --git a/src/param/_abstract.js b/src/param/_abstract.js
index e0c78d6b..adb74008 100644
--- a/src/param/_abstract.js
+++ b/src/param/_abstract.js
@@ -15,7 +15,8 @@ class Abstract {
     required = true,
     nullable = false,
     normalize = true,
-    getter = null
+    getter = null,
+    lowercase = false
   } = {}) {
     assert(Object.keys(positionMapping).includes(position), `Unknown Parameter Position: ${position}`);
     assert(
@@ -29,6 +30,7 @@ class Abstract {
     this.required = required;
     this.nullable = nullable;
     this.normalize = normalize;
+    this.lowercase = lowercase;
     this.getter = getter;
     this.type = null;
   }
@@ -38,7 +40,7 @@ class Abstract {
   }
 
   get(event) {
-    const result = get(event, `${positionMapping[this.position]}.${
+    let result = get(event, `${positionMapping[this.position]}.${
       this.position === 'header'
         ? this.name.toLowerCase()
         : this.name
@@ -56,18 +58,23 @@ class Abstract {
         value: result
       });
     }
-    const r = this.getter !== null && ![undefined, null].includes(result)
+    result = this.getter !== null && ![undefined, null].includes(result)
       ? (params) => this.getter(result, params)
       : result;
-    if (typeof r !== 'string' || this.normalize === false) {
-      return r;
+    if (typeof result === 'string') {
+      if (this.normalize !== false) {
+        result = result
+          // eslint-disable-next-line no-control-regex
+          .replace(/[\x00-\x09\x0B\x1F\x7F-\x9F]/g, ' ')
+          .replace(/(?<=\s) /g, '')
+          .replace(/ (?=\s)/g, '')
+          .replace(/\s+$|^\s+/g, '');
+      }
+      if (this.lowercase === true) {
+        result = result.toLowerCase();
+      }
     }
-    return r
-      // eslint-disable-next-line no-control-regex
-      .replace(/[\x00-\x09\x0B\x1F\x7F-\x9F]/g, ' ')
-      .replace(/(?<=\s) /g, '')
-      .replace(/ (?=\s)/g, '')
-      .replace(/\s+$|^\s+/g, '');
+    return result;
   }
 }
 
diff --git a/src/param/email.js b/src/param/email.js
index fcf86547..876a76c1 100644
--- a/src/param/email.js
+++ b/src/param/email.js
@@ -2,7 +2,11 @@ import RegEx from './regex.js';
 
 class Email extends RegEx {
   constructor(name, position, opts) {
-    super(name, position, { ...opts, regex: /^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}$/ });
+    super(name, position, {
+      ...opts,
+      regex: /^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}$/,
+      lowercase: true
+    });
   }
 }
 export default Email;
diff --git a/test/param/email.spec.js b/test/param/email.spec.js
new file mode 100644
index 00000000..20cac284
--- /dev/null
+++ b/test/param/email.spec.js
@@ -0,0 +1,53 @@
+import { expect } from 'chai';
+import { describe } from 'node-tdd';
+import { Api } from '../../src/index.js';
+
+const api = Api();
+
+describe('Testing Email Parameter', () => {
+  describe('Testing query param', () => {
+    let queryParam;
+    before(() => {
+      queryParam = api.Email('value', 'query');
+    });
+
+    it('Testing valid query parameter', () => {
+      expect(queryParam.get({
+        queryStringParameters: {
+          value: 'TEST@test.ca'
+        }
+      })).to.equal('test@test.ca');
+    });
+
+    it('Testing invalid query parameter (rejected string)', () => {
+      expect(() => queryParam.get({
+        queryStringParameters: {
+          value: ''
+        }
+      })).to.throw('Invalid Value for query-Parameter "value" provided.');
+    });
+  });
+
+  describe('Testing json param', () => {
+    let jsonParam;
+    before(() => {
+      jsonParam = api.Email('value', 'json');
+    });
+
+    it('Testing valid json parameter', () => {
+      expect(jsonParam.get({
+        body: {
+          value: 'TEST@test.ca'
+        }
+      })).to.equal('test@test.ca');
+    });
+
+    it('Testing invalid json parameter (rejected string)', () => {
+      expect(() => jsonParam.get({
+        body: {
+          value: 'undefined'
+        }
+      })).to.throw('Invalid Value for json-Parameter "value" provided.');
+    });
+  });
+});