diff --git a/plugins/notifications-backend-module-email/README.md b/plugins/notifications-backend-module-email/README.md
index 1bdfd59c01..008174e5d3 100644
--- a/plugins/notifications-backend-module-email/README.md
+++ b/plugins/notifications-backend-module-email/README.md
@@ -4,6 +4,42 @@ Adds support for sending Backstage notifications as emails to users.
 
 Supports sending emails using SMTP, SES, or sendmail.
 
+## Customizing email content
+
+The email content can be customized with the `notificationsEmailTemplateExtensionPoint`. When you create
+this extension, you can set the custom `NotificationTemplateRenderer` to the module. To modify the contents,
+override the `getSubject`, `getHtml` and `getText` methods.
+
+```ts
+import { notificationsEmailTemplateExtensionPoint } from '@backstage/plugin-notifications-backend-module-email';
+import { Notification } from '@backstage/plugin-notifications-common';
+
+export const notificationsModuleEmailDecorator = createBackendModule({
+  pluginId: 'notifications',
+  moduleId: 'email.templates',
+  register(reg) {
+    reg.registerInit({
+      deps: {
+        emailTemplates: notificationsEmailTemplateExtensionPoint,
+      },
+      async init({ emailTemplates }) {
+        emailTemplates.setTemplateRenderer({
+          getSubject(notification) {
+            return `New notification from ${notification.source}`;
+          },
+          getText(notification) {
+            return notification.content;
+          },
+          getHtml(notification) {
+            return `<p>${notification.content}</p>`;
+          },
+        });
+      },
+    });
+  },
+});
+```
+
 ## Example configuration:
 
 ```yaml
diff --git a/plugins/notifications-backend-module-email/api-report.md b/plugins/notifications-backend-module-email/api-report.md
index 3f7c9246f5..26563bde85 100644
--- a/plugins/notifications-backend-module-email/api-report.md
+++ b/plugins/notifications-backend-module-email/api-report.md
@@ -4,8 +4,29 @@
 
 ```ts
 import { BackendFeature } from '@backstage/backend-plugin-api';
+import { ExtensionPoint } from '@backstage/backend-plugin-api';
+import { Notification as Notification_2 } from '@backstage/plugin-notifications-common';
+
+// @public (undocumented)
+export interface NotificationsEmailTemplateExtensionPoint {
+  // (undocumented)
+  setTemplateRenderer(renderer: NotificationTemplateRenderer): void;
+}
+
+// @public (undocumented)
+export const notificationsEmailTemplateExtensionPoint: ExtensionPoint<NotificationsEmailTemplateExtensionPoint>;
 
 // @public (undocumented)
 const notificationsModuleEmail: () => BackendFeature;
 export default notificationsModuleEmail;
+
+// @public (undocumented)
+export interface NotificationTemplateRenderer {
+  // (undocumented)
+  getHtml?(notification: Notification_2): string;
+  // (undocumented)
+  getSubject?(notification: Notification_2): string;
+  // (undocumented)
+  getText?(notification: Notification_2): string;
+}
 ```
diff --git a/plugins/notifications-backend-module-email/config.d.ts b/plugins/notifications-backend-module-email/config.d.ts
index ec92bb8813..54de2f6ab4 100644
--- a/plugins/notifications-backend-module-email/config.d.ts
+++ b/plugins/notifications-backend-module-email/config.d.ts
@@ -81,10 +81,6 @@ export interface Config {
          * Sender email address
          */
         sender: string;
-        /**
-         * Email format, defaults to HTML
-         */
-        format?: 'html' | 'text';
         /**
          * Optional reply-to address
          */
diff --git a/plugins/notifications-backend-module-email/package.json b/plugins/notifications-backend-module-email/package.json
index 345ba162b6..29cc9d7c24 100644
--- a/plugins/notifications-backend-module-email/package.json
+++ b/plugins/notifications-backend-module-email/package.json
@@ -32,7 +32,7 @@
     "test": "backstage-cli package test"
   },
   "dependencies": {
-    "@aws-sdk/client-ses": "3.554.0",
+    "@aws-sdk/client-ses": "^3.550.0",
     "@aws-sdk/types": "^3.347.0",
     "@backstage/backend-common": "workspace:^",
     "@backstage/backend-plugin-api": "workspace:^",
diff --git a/plugins/notifications-backend-module-email/src/extensions.ts b/plugins/notifications-backend-module-email/src/extensions.ts
new file mode 100644
index 0000000000..454fe9b384
--- /dev/null
+++ b/plugins/notifications-backend-module-email/src/extensions.ts
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2024 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { createExtensionPoint } from '@backstage/backend-plugin-api';
+import { Notification } from '@backstage/plugin-notifications-common';
+
+/**
+ * @public
+ */
+export interface NotificationTemplateRenderer {
+  getSubject?(notification: Notification): string;
+  getText?(notification: Notification): string;
+  getHtml?(notification: Notification): string;
+}
+
+/**
+ * @public
+ */
+export interface NotificationsEmailTemplateExtensionPoint {
+  setTemplateRenderer(renderer: NotificationTemplateRenderer): void;
+}
+
+/**
+ * @public
+ */
+export const notificationsEmailTemplateExtensionPoint =
+  createExtensionPoint<NotificationsEmailTemplateExtensionPoint>({
+    id: 'notifications.email.templates',
+  });
diff --git a/plugins/notifications-backend-module-email/src/index.ts b/plugins/notifications-backend-module-email/src/index.ts
index 816d5d3579..547a69360c 100644
--- a/plugins/notifications-backend-module-email/src/index.ts
+++ b/plugins/notifications-backend-module-email/src/index.ts
@@ -21,3 +21,4 @@
  */
 
 export { notificationsModuleEmail as default } from './module';
+export * from './extensions';
diff --git a/plugins/notifications-backend-module-email/src/module.ts b/plugins/notifications-backend-module-email/src/module.ts
index 9c8dfabd8c..6b74bf70e7 100644
--- a/plugins/notifications-backend-module-email/src/module.ts
+++ b/plugins/notifications-backend-module-email/src/module.ts
@@ -20,6 +20,10 @@ import {
 import { CatalogClient } from '@backstage/catalog-client';
 import { notificationsProcessingExtensionPoint } from '@backstage/plugin-notifications-node';
 import { NotificationsEmailProcessor } from './processor';
+import {
+  notificationsEmailTemplateExtensionPoint,
+  NotificationTemplateRenderer,
+} from './extensions';
 
 /**
  * @public
@@ -28,6 +32,16 @@ export const notificationsModuleEmail = createBackendModule({
   pluginId: 'notifications',
   moduleId: 'email',
   register(reg) {
+    let templateRenderer: NotificationTemplateRenderer | undefined;
+    reg.registerExtensionPoint(notificationsEmailTemplateExtensionPoint, {
+      setTemplateRenderer(renderer) {
+        if (templateRenderer) {
+          throw new Error(`Email template renderer was already registered`);
+        }
+        templateRenderer = renderer;
+      },
+    });
+
     reg.registerInit({
       deps: {
         config: coreServices.rootConfig,
@@ -49,6 +63,7 @@ export const notificationsModuleEmail = createBackendModule({
             catalogClient,
             auth,
             cache,
+            templateRenderer,
           ),
         );
       },
diff --git a/plugins/notifications-backend-module-email/src/processor/NotificationsEmailProcessor.test.ts b/plugins/notifications-backend-module-email/src/processor/NotificationsEmailProcessor.test.ts
index 72d1113eb1..f4db00869e 100644
--- a/plugins/notifications-backend-module-email/src/processor/NotificationsEmailProcessor.test.ts
+++ b/plugins/notifications-backend-module-email/src/processor/NotificationsEmailProcessor.test.ts
@@ -213,7 +213,7 @@ describe('NotificationsEmailProcessor', () => {
       html: '<p></p>',
       replyTo: undefined,
       subject: 'notification',
-      text: undefined,
+      text: '',
       to: 'mock@backstage.io',
     });
   });
@@ -271,7 +271,7 @@ describe('NotificationsEmailProcessor', () => {
       html: '<p></p>',
       replyTo: undefined,
       subject: 'notification',
-      text: undefined,
+      text: '',
       to: 'mock@backstage.io',
     });
   });
@@ -330,7 +330,7 @@ describe('NotificationsEmailProcessor', () => {
       html: '<p></p>',
       replyTo: undefined,
       subject: 'notification',
-      text: undefined,
+      text: '',
       to: 'broadcast@backstage.io',
     });
   });
diff --git a/plugins/notifications-backend-module-email/src/processor/NotificationsEmailProcessor.ts b/plugins/notifications-backend-module-email/src/processor/NotificationsEmailProcessor.ts
index f9e9ac7bd3..296cf83657 100644
--- a/plugins/notifications-backend-module-email/src/processor/NotificationsEmailProcessor.ts
+++ b/plugins/notifications-backend-module-email/src/processor/NotificationsEmailProcessor.ts
@@ -34,12 +34,12 @@ import { createSesTransport } from './transports/ses';
 import { UserEntity } from '@backstage/catalog-model';
 import { compact } from 'lodash';
 import { DefaultAwsCredentialsManager } from '@backstage/integration-aws-node';
+import { NotificationTemplateRenderer } from '../extensions';
 
 export class NotificationsEmailProcessor implements NotificationProcessor {
   private transporter: any;
   private readonly broadcastConfig?: Config;
   private readonly sender: string;
-  private readonly format: string;
   private readonly replyTo?: string;
   private readonly cacheTtl: number;
 
@@ -49,13 +49,12 @@ export class NotificationsEmailProcessor implements NotificationProcessor {
     private readonly catalog: CatalogClient,
     private readonly auth: AuthService,
     private readonly cache?: CacheService,
+    private readonly templateRenderer?: NotificationTemplateRenderer,
   ) {
     this.broadcastConfig = config.getOptionalConfig(
       'notifications.email.broadcastConfig',
     );
     this.sender = config.getString('notifications.email.sender');
-    this.format =
-      config.getOptionalString('notifications.email.format') ?? 'html';
     this.replyTo = config.getOptionalString('notifications.email.replyTo');
     this.cacheTtl =
       config.getOptionalNumber('notifications.email.cache.ttl') ?? 3_600_000;
@@ -198,6 +197,55 @@ export class NotificationsEmailProcessor implements NotificationProcessor {
     return await this.getUserEmail(notification.user);
   }
 
+  private async sendPlainEmail(notification: Notification, emails: string[]) {
+    const contentParts: string[] = [];
+    if (notification.payload.description) {
+      contentParts.push(`${notification.payload.description}`);
+    }
+    if (notification.payload.link) {
+      contentParts.push(`${notification.payload.link}`);
+    }
+
+    const mailOptions = {
+      from: this.sender,
+      subject: notification.payload.title,
+      html: `<p>${contentParts.join('<br/>')}</p>`,
+      text: contentParts.join('\n\n'),
+      replyTo: this.replyTo,
+    };
+
+    for (const email of emails) {
+      try {
+        await this.transporter.sendMail({ ...mailOptions, to: email });
+      } catch (e) {
+        this.logger.error(`Failed to send email to ${email}: ${e}`);
+      }
+    }
+  }
+
+  private async sendTemplateEmail(
+    notification: Notification,
+    emails: string[],
+  ) {
+    const mailOptions = {
+      from: this.sender,
+      subject:
+        this.templateRenderer?.getSubject?.(notification) ??
+        notification.payload.title,
+      html: this.templateRenderer?.getHtml?.(notification),
+      text: this.templateRenderer?.getText?.(notification),
+      replyTo: this.replyTo,
+    };
+
+    for (const email of emails) {
+      try {
+        await this.transporter.sendMail({ ...mailOptions, to: email });
+      } catch (e) {
+        this.logger.error(`Failed to send email to ${email}: ${e}`);
+      }
+    }
+  }
+
   async postProcess(
     notification: Notification,
     options: NotificationSendOptions,
@@ -219,32 +267,11 @@ export class NotificationsEmailProcessor implements NotificationProcessor {
       return;
     }
 
-    // TODO: add template support for content either HTML or text
-    const contentParts: string[] = [];
-    if (notification.payload.description) {
-      contentParts.push(`${notification.payload.description}`);
-    }
-    if (notification.payload.link) {
-      contentParts.push(`${notification.payload.link}`);
+    if (!this.templateRenderer) {
+      await this.sendPlainEmail(notification, emails);
+      return;
     }
 
-    const mailOptions = {
-      from: this.sender,
-      subject: notification.payload.title,
-      html:
-        this.format === 'html'
-          ? `<p>${contentParts.join('<br/>')}</p>`
-          : undefined,
-      text: this.format === 'text' ? contentParts.join('\n\n') : undefined,
-      replyTo: this.replyTo,
-    };
-
-    for (const email of emails) {
-      try {
-        await this.transporter.sendMail({ ...mailOptions, to: email });
-      } catch (e) {
-        this.logger.error(`Failed to send email to ${email}: ${e}`);
-      }
-    }
+    await this.sendTemplateEmail(notification, emails);
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 94ba875fae..40554ed539 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -599,15 +599,15 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@aws-sdk/client-ses@npm:3.554.0":
-  version: 3.554.0
-  resolution: "@aws-sdk/client-ses@npm:3.554.0"
+"@aws-sdk/client-ses@npm:^3.550.0":
+  version: 3.556.0
+  resolution: "@aws-sdk/client-ses@npm:3.556.0"
   dependencies:
     "@aws-crypto/sha256-browser": 3.0.0
     "@aws-crypto/sha256-js": 3.0.0
-    "@aws-sdk/client-sts": 3.554.0
-    "@aws-sdk/core": 3.554.0
-    "@aws-sdk/credential-provider-node": 3.554.0
+    "@aws-sdk/client-sts": 3.556.0
+    "@aws-sdk/core": 3.556.0
+    "@aws-sdk/credential-provider-node": 3.556.0
     "@aws-sdk/middleware-host-header": 3.535.0
     "@aws-sdk/middleware-logger": 3.535.0
     "@aws-sdk/middleware-recursion-detection": 3.535.0
@@ -644,7 +644,7 @@ __metadata:
     "@smithy/util-utf8": ^2.3.0
     "@smithy/util-waiter": ^2.2.0
     tslib: ^2.6.2
-  checksum: 14512aac8bd84a69066535580bd739509a5698a64be78b111fd9656f4a01f4921c016b0c22c8b103261370d9e75ba3c6301cc652b47e396e421b8b02f93334ce
+  checksum: 913108e79061185faae51711b121df99da624f988f530af23c3e4270299be60771be83f507dc8ed4af4051765077ea038edab19e4d0d32e159c4e67faf5fc9f8
   languageName: node
   linkType: hard
 
@@ -698,55 +698,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@aws-sdk/client-sso-oidc@npm:3.554.0":
-  version: 3.554.0
-  resolution: "@aws-sdk/client-sso-oidc@npm:3.554.0"
-  dependencies:
-    "@aws-crypto/sha256-browser": 3.0.0
-    "@aws-crypto/sha256-js": 3.0.0
-    "@aws-sdk/client-sts": 3.554.0
-    "@aws-sdk/core": 3.554.0
-    "@aws-sdk/middleware-host-header": 3.535.0
-    "@aws-sdk/middleware-logger": 3.535.0
-    "@aws-sdk/middleware-recursion-detection": 3.535.0
-    "@aws-sdk/middleware-user-agent": 3.540.0
-    "@aws-sdk/region-config-resolver": 3.535.0
-    "@aws-sdk/types": 3.535.0
-    "@aws-sdk/util-endpoints": 3.540.0
-    "@aws-sdk/util-user-agent-browser": 3.535.0
-    "@aws-sdk/util-user-agent-node": 3.535.0
-    "@smithy/config-resolver": ^2.2.0
-    "@smithy/core": ^1.4.2
-    "@smithy/fetch-http-handler": ^2.5.0
-    "@smithy/hash-node": ^2.2.0
-    "@smithy/invalid-dependency": ^2.2.0
-    "@smithy/middleware-content-length": ^2.2.0
-    "@smithy/middleware-endpoint": ^2.5.1
-    "@smithy/middleware-retry": ^2.3.1
-    "@smithy/middleware-serde": ^2.3.0
-    "@smithy/middleware-stack": ^2.2.0
-    "@smithy/node-config-provider": ^2.3.0
-    "@smithy/node-http-handler": ^2.5.0
-    "@smithy/protocol-http": ^3.3.0
-    "@smithy/smithy-client": ^2.5.1
-    "@smithy/types": ^2.12.0
-    "@smithy/url-parser": ^2.2.0
-    "@smithy/util-base64": ^2.3.0
-    "@smithy/util-body-length-browser": ^2.2.0
-    "@smithy/util-body-length-node": ^2.3.0
-    "@smithy/util-defaults-mode-browser": ^2.2.1
-    "@smithy/util-defaults-mode-node": ^2.3.1
-    "@smithy/util-endpoints": ^1.2.0
-    "@smithy/util-middleware": ^2.2.0
-    "@smithy/util-retry": ^2.2.0
-    "@smithy/util-utf8": ^2.3.0
-    tslib: ^2.6.2
-  peerDependencies:
-    "@aws-sdk/credential-provider-node": ^3.554.0
-  checksum: 91d0f6b8c5c787e2b705803d615f9400430ea0bca9d12171a5e7abe5c53cd83f711300e5c0a106dc4f1f1259adf08f87b728f9820679aa5ca73cd66a09bf8dd4
-  languageName: node
-  linkType: hard
-
 "@aws-sdk/client-sso-oidc@npm:3.556.0":
   version: 3.556.0
   resolution: "@aws-sdk/client-sso-oidc@npm:3.556.0"
@@ -796,52 +747,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@aws-sdk/client-sso@npm:3.554.0":
-  version: 3.554.0
-  resolution: "@aws-sdk/client-sso@npm:3.554.0"
-  dependencies:
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-    "@aws-crypto/sha256-js": 3.0.0
-    "@aws-sdk/core": 3.554.0
-    "@aws-sdk/middleware-host-header": 3.535.0
-    "@aws-sdk/middleware-logger": 3.535.0
-    "@aws-sdk/middleware-recursion-detection": 3.535.0
-    "@aws-sdk/middleware-user-agent": 3.540.0
-    "@aws-sdk/region-config-resolver": 3.535.0
-    "@aws-sdk/types": 3.535.0
-    "@aws-sdk/util-endpoints": 3.540.0
-    "@aws-sdk/util-user-agent-browser": 3.535.0
-    "@aws-sdk/util-user-agent-node": 3.535.0
-    "@smithy/config-resolver": ^2.2.0
-    "@smithy/core": ^1.4.2
-    "@smithy/fetch-http-handler": ^2.5.0
-    "@smithy/hash-node": ^2.2.0
-    "@smithy/invalid-dependency": ^2.2.0
-    "@smithy/middleware-content-length": ^2.2.0
-    "@smithy/middleware-endpoint": ^2.5.1
-    "@smithy/middleware-retry": ^2.3.1
-    "@smithy/middleware-serde": ^2.3.0
-    "@smithy/middleware-stack": ^2.2.0
-    "@smithy/node-config-provider": ^2.3.0
-    "@smithy/node-http-handler": ^2.5.0
-    "@smithy/protocol-http": ^3.3.0
-    "@smithy/smithy-client": ^2.5.1
-    "@smithy/types": ^2.12.0
-    "@smithy/url-parser": ^2.2.0
-    "@smithy/util-base64": ^2.3.0
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-    "@smithy/util-middleware": ^2.2.0
-    "@smithy/util-retry": ^2.2.0
-    "@smithy/util-utf8": ^2.3.0
-    tslib: ^2.6.2
-  checksum: 08dbaca87bb25d7662a2e856dca16f92bc461b9cf50e048c679969df93189f653c2bc74c8be1ac3e82e720d2742fc81af554a04f0ebf83353c1fa6e30fdbbecf
-  languageName: node
-  linkType: hard
-
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   resolution: "@aws-sdk/client-sso@npm:3.556.0"
@@ -888,54 +793,6 @@ __metadata:
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-"@aws-sdk/client-sts@npm:3.554.0":
-  version: 3.554.0
-  resolution: "@aws-sdk/client-sts@npm:3.554.0"
-  dependencies:
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-    "@aws-crypto/sha256-js": 3.0.0
-    "@aws-sdk/core": 3.554.0
-    "@aws-sdk/middleware-host-header": 3.535.0
-    "@aws-sdk/middleware-logger": 3.535.0
-    "@aws-sdk/middleware-recursion-detection": 3.535.0
-    "@aws-sdk/middleware-user-agent": 3.540.0
-    "@aws-sdk/region-config-resolver": 3.535.0
-    "@aws-sdk/types": 3.535.0
-    "@aws-sdk/util-endpoints": 3.540.0
-    "@aws-sdk/util-user-agent-browser": 3.535.0
-    "@aws-sdk/util-user-agent-node": 3.535.0
-    "@smithy/config-resolver": ^2.2.0
-    "@smithy/core": ^1.4.2
-    "@smithy/fetch-http-handler": ^2.5.0
-    "@smithy/hash-node": ^2.2.0
-    "@smithy/invalid-dependency": ^2.2.0
-    "@smithy/middleware-content-length": ^2.2.0
-    "@smithy/middleware-endpoint": ^2.5.1
-    "@smithy/middleware-retry": ^2.3.1
-    "@smithy/middleware-serde": ^2.3.0
-    "@smithy/middleware-stack": ^2.2.0
-    "@smithy/node-config-provider": ^2.3.0
-    "@smithy/node-http-handler": ^2.5.0
-    "@smithy/protocol-http": ^3.3.0
-    "@smithy/smithy-client": ^2.5.1
-    "@smithy/types": ^2.12.0
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-    "@smithy/util-base64": ^2.3.0
-    "@smithy/util-body-length-browser": ^2.2.0
-    "@smithy/util-body-length-node": ^2.3.0
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-    "@smithy/util-middleware": ^2.2.0
-    "@smithy/util-retry": ^2.2.0
-    "@smithy/util-utf8": ^2.3.0
-    tslib: ^2.6.2
-  peerDependencies:
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-  checksum: dee932b55e89f9b68275d21861f534ae1cdf006410841fe84bab38df12253ebafd4928e440d6243391c3234f2509b943628c5368d2bcd0489ea240464d65edc6
-  languageName: node
-  linkType: hard
-
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   version: 3.556.0
   resolution: "@aws-sdk/client-sts@npm:3.556.0"
@@ -984,21 +841,6 @@ __metadata:
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   linkType: hard
 
-"@aws-sdk/core@npm:3.554.0":
-  version: 3.554.0
-  resolution: "@aws-sdk/core@npm:3.554.0"
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