diff --git a/docs/config.md b/docs/config.md
index 44943165..61e7eb92 100644
--- a/docs/config.md
+++ b/docs/config.md
@@ -355,12 +355,13 @@ This generator helps you configure your self-hosted ntfy instance. It's not full
 </div>
 <div class="cg-field cg-inline-field">
 <label>Require email verification</label>
-<select data-key="smtp-sender-verify">
-<option value="">No (default)</option>
-<option value="true">Yes</option>
-</select>
+<div class="cg-btn-group">
+<label><input type="radio" name="cg-smtp-sender-verify" value="no" checked><span>No</span></label>
+<label><input type="radio" name="cg-smtp-sender-verify" value="yes"><span>Yes</span></label>
 </div>
 </div>
+<input type="checkbox" data-key="smtp-sender-verify" id="cg-smtp-sender-verify-hidden" style="display:none">
+</div>
 <div id="cg-email-in-section" class="cg-hidden">
 <div class="cg-field"><label><strong>Incoming (publishing)</strong></label></div>
 <div class="cg-field cg-inline-field">
@@ -1018,6 +1019,10 @@ To allow forwarding messages via e-mail, you can configure an **SMTP server for
 you can set the `X-Email` header to [send messages via e-mail](publish.md#e-mail-notifications) (e.g. 
 `curl -d "hi there" -H "X-Email: phil@example.com" ntfy.sh/mytopic`).
 
+!!! info
+    On ntfy.sh, anonymous email sending was disabled due to abuse. To use the email notification feature, 
+    you must verify your email in the web app's [Account section](https://ntfy.sh/account). 
+
 As of today, only SMTP servers with PLAIN auth and STARTLS are supported. To enable e-mail sending, you must set the 
 following settings:
 
@@ -1025,6 +1030,8 @@ following settings:
 * `smtp-sender-addr` is the hostname:port of the SMTP server
 * `smtp-sender-user` and `smtp-sender-pass` are the username and password of the SMTP user
 * `smtp-sender-from` is the e-mail address of the sender
+* `smtp-sender-verify` is a flag that forces email recipient verification when enabled. If set to true, 
+  only verified email recipients can be used in the `X-Email` header.
 
 Here's an example config using [Amazon SES](https://aws.amazon.com/ses/) for outgoing mail (this is how it is 
 configured for `ntfy.sh`):
@@ -1036,6 +1043,7 @@ configured for `ntfy.sh`):
     smtp-sender-user: "AKIDEADBEEFAFFE12345"
     smtp-sender-pass: "Abd13Kf+sfAk2DzifjafldkThisIsNotARealKeyOMG."
     smtp-sender-from: "ntfy@ntfy.sh"
+    smtp-sender-verify: true
     ```
 
 By default, any user (including anonymous users) can send email notifications to any address. To require email
@@ -1043,15 +1051,6 @@ address verification, set `smtp-sender-verify` to `true`. When enabled, anonymou
 and authenticated users can only send to email addresses they have verified in their account settings. Users can
 also use `yes`/`true`/`1` as the `X-Email` value to send to their first verified address.
 
-=== "/etc/ntfy/server.yml (with email verification)"
-    ``` yaml
-    smtp-sender-addr: "email-smtp.us-east-2.amazonaws.com:587"
-    smtp-sender-user: "AKIDEADBEEFAFFE12345"
-    smtp-sender-pass: "Abd13Kf+sfAk2DzifjafldkThisIsNotARealKeyOMG."
-    smtp-sender-from: "ntfy@ntfy.sh"
-    smtp-sender-verify: true
-    ```
-
 Please also refer to the [rate limiting](#rate-limiting) settings below, specifically `visitor-email-limit-burst`
 and `visitor-email-limit-burst`. Setting these conservatively is necessary to avoid abuse.
 
diff --git a/docs/static/js/config-generator.js b/docs/static/js/config-generator.js
index dc8ea4ed..ffada277 100644
--- a/docs/static/js/config-generator.js
+++ b/docs/static/js/config-generator.js
@@ -125,7 +125,7 @@
     { key: "smtp-sender-from", env: "NTFY_SMTP_SENDER_FROM", section: "smtp-out" },
     { key: "smtp-sender-user", env: "NTFY_SMTP_SENDER_USER", section: "smtp-out" },
     { key: "smtp-sender-pass", env: "NTFY_SMTP_SENDER_PASS", section: "smtp-out" },
-    { key: "smtp-sender-verify", env: "NTFY_SMTP_SENDER_VERIFY", section: "smtp-out" },
+    { key: "smtp-sender-verify", env: "NTFY_SMTP_SENDER_VERIFY", section: "smtp-out", type: "bool" },
     { key: "smtp-server-listen", env: "NTFY_SMTP_SERVER_LISTEN", section: "smtp-in" },
     { key: "smtp-server-domain", env: "NTFY_SMTP_SERVER_DOMAIN", section: "smtp-in" },
     { key: "smtp-server-addr-prefix", env: "NTFY_SMTP_SERVER_ADDR_PREFIX", section: "smtp-in" },
@@ -172,6 +172,7 @@
       requireLoginHidden: modal.querySelector("#cg-require-login-hidden"),
       signupHidden: modal.querySelector("#cg-enable-signup-hidden"),
       proxyCheckbox: modal.querySelector("#cg-behind-proxy"),
+      smtpSenderVerifyHidden: modal.querySelector("#cg-smtp-sender-verify-hidden"),
       dbStep: modal.querySelector("#cg-wizard-db"),
       navDb: modal.querySelector("#cg-nav-database"),
       navEmail: modal.querySelector("#cg-nav-email"),
@@ -744,6 +745,10 @@
     const signupYes = modal.querySelector("input[name=\"cg-enable-signup\"][value=\"yes\"]");
     if (signupYes && signupHidden) signupHidden.checked = signupYes.checked;
 
+    // SMTP sender verify radio → hidden checkbox
+    const smtpVerifyYes = modal.querySelector("input[name=\"cg-smtp-sender-verify\"][value=\"yes\"]");
+    if (smtpVerifyYes && els.smtpSenderVerifyHidden) els.smtpSenderVerifyHidden.checked = smtpVerifyYes.checked;
+
     return loginModeVal;
   }
 
diff --git a/web/public/static/langs/en.json b/web/public/static/langs/en.json
index 617dce5b..b809a06f 100644
--- a/web/public/static/langs/en.json
+++ b/web/public/static/langs/en.json
@@ -226,7 +226,7 @@
   "account_basics_emails_dialog_verify_button": "Add email",
   "account_basics_emails_dialog_code_label": "Verification code",
   "account_basics_emails_dialog_code_placeholder": "e.g. 123456",
-  "account_basics_emails_dialog_code_invalid": "Verification code is invalid or expired, please try again",
+  "account_basics_emails_dialog_code_invalid": "Verification code is invalid or expired",
   "account_basics_emails_dialog_check_verification_button": "Confirm",
   "account_basics_cannot_edit_or_delete_provisioned_user": "A provisioned user cannot be edited or deleted",
   "account_usage_title": "Usage",