diff --git a/plugins/notifications-backend-module-email/README.md b/plugins/notifications-backend-module-email/README.md
index 229f30a465..c1ead48876 100644
--- a/plugins/notifications-backend-module-email/README.md
+++ b/plugins/notifications-backend-module-email/README.md
@@ -81,9 +81,9 @@ notifications:
         receiver: 'users'
       # Optional SES config
       # sesConfig:
-      #   SourceArn: 'arn:aws:ses:us-west-2:123456789012:identity/example.com'
-      #   FromArn: 'arn:aws:ses:us-west-2:123456789012:identity/example.com'
-      #   ConfigurationSetName: 'custom-config'
+      #   sourceArn: 'arn:aws:ses:us-west-2:123456789012:identity/example.com'
+      #   fromArn: 'arn:aws:ses:us-west-2:123456789012:identity/example.com'
+      #   configurationSetName: 'custom-config'
       # How many emails to send concurrently, defaults to 2
       concurrencyLimit: 10
       # How much to throttle between emails, defaults to 100ms
diff --git a/plugins/notifications-backend-module-email/config.d.ts b/plugins/notifications-backend-module-email/config.d.ts
index d4c2ba06a3..7116826c5d 100644
--- a/plugins/notifications-backend-module-email/config.d.ts
+++ b/plugins/notifications-backend-module-email/config.d.ts
@@ -139,15 +139,15 @@ export interface Config {
           /**
            * ARN of the identity to use as the source of the email
            */
-          SourceArn?: string;
+          sourceArn?: string;
           /**
            * ARN of the identity to use for the "From"/sender address of the email
            */
-          FromArn?: string;
+          fromArn?: string;
           /**
            * Name of the configuration set to use when sending email via ses
            */
-          ConfigurationSetName?: string;
+          configurationSetName?: string;
         };
         cache?: {
           /**
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 0b758a50f5..ebe1b90f35 100644
--- a/plugins/notifications-backend-module-email/src/processor/NotificationsEmailProcessor.test.ts
+++ b/plugins/notifications-backend-module-email/src/processor/NotificationsEmailProcessor.test.ts
@@ -458,9 +458,9 @@ describe('NotificationsEmailProcessor', () => {
             sender: 'backstage@backstage.io',
             replyTo: 'no-reply@backstage.io',
             sesConfig: {
-              SourceArn:
+              sourceArn:
                 'arn:aws:ses:us-west-2:123456789012:identity/example.com',
-              FromArn:
+              fromArn:
                 'arn:aws:ses:us-west-2:123456789012:identity/example.com',
             },
           },
diff --git a/plugins/notifications-backend-module-email/src/processor/NotificationsEmailProcessor.ts b/plugins/notifications-backend-module-email/src/processor/NotificationsEmailProcessor.ts
index 461b8ed2f1..39a0c5da02 100644
--- a/plugins/notifications-backend-module-email/src/processor/NotificationsEmailProcessor.ts
+++ b/plugins/notifications-backend-module-email/src/processor/NotificationsEmailProcessor.ts
@@ -299,10 +299,10 @@ export class NotificationsEmailProcessor implements NotificationProcessor {
       return undefined;
     }
     const ses: Record<string, string> = {};
-    const sourceArn = this.sesConfig.getOptionalString('SourceArn');
-    const fromArn = this.sesConfig.getOptionalString('FromArn');
+    const sourceArn = this.sesConfig.getOptionalString('sourceArn');
+    const fromArn = this.sesConfig.getOptionalString('fromArn');
     const configurationSetName = this.sesConfig.getOptionalString(
-      'ConfigurationSetName',
+      'configurationSetName',
     );
 
     if (sourceArn) ses.SourceArn = sourceArn;