diff --git a/apps/admin-x-settings/src/components/settings/email/newsletters/NewsletterDetailModal.tsx b/apps/admin-x-settings/src/components/settings/email/newsletters/NewsletterDetailModal.tsx
index d340fa72d2..23341e7b8a 100644
--- a/apps/admin-x-settings/src/components/settings/email/newsletters/NewsletterDetailModal.tsx
+++ b/apps/admin-x-settings/src/components/settings/email/newsletters/NewsletterDetailModal.tsx
@@ -533,17 +533,18 @@ const NewsletterDetailModalContent: React.FC<{newsletter: Newsletter; onlyOne: b
         savingDelay: 500,
         onSave: async () => {
             const {newsletters: [updatedNewsletter], meta: {sent_email_verification: [emailToVerify] = []} = {}} = await editNewsletter(formState); ``;
+            const previousFrom = renderSenderEmail(updatedNewsletter, config, defaultEmailAddress);
+            const previousReplyTo = renderReplyToEmail(updatedNewsletter, config, supportEmailAddress, defaultEmailAddress) || previousFrom;
+
             let title;
             let prompt;
 
             if (emailToVerify && emailToVerify === 'sender_email') {
-                const previousFrom = renderSenderEmail(updatedNewsletter, config, defaultEmailAddress);
                 title = 'Confirm newsletter email address';
                 prompt = <>We&lsquo;ve sent a confirmation email to <strong>{formState.sender_email}</strong>. Until the address has been verified, newsletters will be sent from the {updatedNewsletter.sender_email ? ' previous' : ' default'} email address{previousFrom ? ` (${previousFrom})` : ''}.</>;
             } else if (emailToVerify && emailToVerify === 'sender_reply_to') {
-                const previousReplyTo = renderReplyToEmail(updatedNewsletter, config, supportEmailAddress, defaultEmailAddress);
                 title = 'Confirm reply-to address';
-                prompt = <>We&lsquo;ve sent a confirmation email to <strong>{formState.sender_reply_to}</strong>. Until the address has been verified, newsletters will use the previous reply-to address{previousReplyTo ? ` (${previousReplyTo})` : ''}.</>;
+                prompt = <>We&lsquo;ve sent a confirmation email to <strong>{formState.sender_reply_to}</strong>. Until the address has been verified, replies will continue to go to {previousReplyTo}.</>;
             }
 
             if (title && prompt) {
diff --git a/apps/admin-x-settings/test/acceptance/email/newsletters.test.ts b/apps/admin-x-settings/test/acceptance/email/newsletters.test.ts
index 7a4e8ba9d4..7f8e18cdc5 100644
--- a/apps/admin-x-settings/test/acceptance/email/newsletters.test.ts
+++ b/apps/admin-x-settings/test/acceptance/email/newsletters.test.ts
@@ -247,12 +247,12 @@ test.describe('Newsletter settings', async () => {
                 await expect(page.getByTestId('confirmation-modal')).toHaveCount(1);
                 await expect(page.getByTestId('confirmation-modal')).toHaveText(/Confirm reply-to address/);
                 await expect(page.getByTestId('confirmation-modal')).toHaveText(/sent a confirmation email to test@test.com/);
-                await expect(page.getByTestId('confirmation-modal')).toHaveText(/previous reply-to address \(support@example.com\)/);
+                await expect(page.getByTestId('confirmation-modal')).toHaveText(/replies will continue to go to support@example.com/);
             });
         });
 
-        test.describe('For Ghost (Pro) users with custom domain', () => {
-            test('Allow sender and reply-to addresses to be changed without verification, but not their domain name', async ({page}) => {
+        test.describe('For Ghost (Pro) users with custom sending domain', () => {
+            test('Allow sender address to be changed partially (username but not domain name)', async ({page}) => {
                 await mockApi({page, requests: {
                     ...globalDataRequests,
                     browseNewsletters: {method: 'GET', path: '/newsletters/?include=count.active_members%2Ccount.posts&limit=50', response: responseFixtures.newsletters},
@@ -283,25 +283,17 @@ test.describe('Newsletter settings', async () => {
                 await section.getByText('Awesome newsletter').click();
                 const modal = page.getByTestId('newsletter-modal');
                 const senderEmail = modal.getByLabel('Sender email');
-                const replyToEmail = modal.getByLabel('Reply-to email');
-
-                // The sending domain is rendered as placeholder text
-                expect(modal).toHaveText(/@customdomain\.com/);
 
                 // The sender email field should keep the username part of the email address
                 await senderEmail.fill('harry@potter.com');
                 expect(await senderEmail.inputValue()).toBe('harry');
 
-                // Full flexibility for the reply-to address
-                await replyToEmail.fill('hermione@customdomain.com');
-                expect(await replyToEmail.inputValue()).toBe('hermione@customdomain.com');
-
                 // The new username is saved without a confirmation popup
                 await modal.getByRole('button', {name: 'Save'}).click();
                 await expect(page.getByTestId('confirmation-modal')).toHaveCount(0);
             });
 
-            test('Reply-To addresses without a matching domain require verification', async ({page}) => {
+            test('Allow full customisation of the reply-to address, with verification', async ({page}) => {
                 await mockApi({page, requests: {
                     ...globalDataRequests,
                     browseNewsletters: {method: 'GET', path: '/newsletters/?include=count.active_members%2Ccount.posts&limit=50', response: responseFixtures.newsletters},
@@ -331,26 +323,18 @@ test.describe('Newsletter settings', async () => {
                 const section = page.getByTestId('newsletters');
                 await section.getByText('Awesome newsletter').click();
                 const modal = page.getByTestId('newsletter-modal');
-                const senderEmail = modal.getByLabel('Sender email');
                 const replyToEmail = modal.getByLabel('Reply-to email');
 
-                // The sending domain is rendered as placeholder text
-                expect(modal).toHaveText(/@customdomain\.com/);
-
-                // The sender email field should keep the username part of the email address
-                await senderEmail.fill('harry@potter.com');
-                expect(await senderEmail.inputValue()).toBe('harry');
-
                 // Full flexibility for the reply-to address
                 await replyToEmail.fill('hermione@granger.com');
                 expect(await replyToEmail.inputValue()).toBe('hermione@granger.com');
 
-                // The new username is saved without a confirmation popup
+                // There is a verification popup for the new reply-to address
                 await modal.getByRole('button', {name: 'Save'}).click();
                 await expect(page.getByTestId('confirmation-modal')).toHaveCount(1);
                 await expect(page.getByTestId('confirmation-modal')).toHaveText(/Confirm reply-to address/);
                 await expect(page.getByTestId('confirmation-modal')).toHaveText(/sent a confirmation email to hermione@granger.com/);
-                await expect(page.getByTestId('confirmation-modal')).toHaveText(/previous reply-to address \(support@example.com\)/);
+                await expect(page.getByTestId('confirmation-modal')).toHaveText(/replies will continue to go to support@example.com/);
             });
         });
     });