diff --git a/public/static/locales/en/bulkCodes.json b/public/static/locales/en/bulkCodes.json
index 4b57c90d67..3912a80131 100644
--- a/public/static/locales/en/bulkCodes.json
+++ b/public/static/locales/en/bulkCodes.json
@@ -10,12 +10,20 @@
   "importMethodText": {
     "title": "Import File",
     "subtitle": "Use this method if one of the following criteria match your use case:",
-    "details": ["I want to provide the Recipient's name or Email for each code.", "I want Plant-for-the-Planet to automatically email the recipients once it has been generated (optional).", "I want to issue codes for different tree counts."]
+    "details": [
+      "I want to provide the Recipient's name or Email for each code.",
+      "I want Plant-for-the-Planet to automatically email the recipients once it has been generated (optional).",
+      "I want to issue codes for different tree counts."
+    ]
   },
   "genericMethodText": {
     "title": "Create Generic Codes",
     "subtitle": "Use this method if the following criteria matches your use case:",
-    "details": ["All codes will have the same value.", "I want to generate a number of code for arbitrary recipients.", "Names and Emails cannot be associated with the code."]
+    "details": [
+      "All codes will have the same value.",
+      "I want to generate a number of code for arbitrary recipients.",
+      "Names and Emails cannot be associated with the code."
+    ]
   },
   "projectName": "Project Name",
   "costPerUnit": "Cost per Unit",
@@ -31,6 +39,7 @@
   "occasion": "Occasion",
   "total": "Total",
   "chargeConsentText": "By clicking Issue Codes, you agree that above amount will be charged to your account.",
+  "invalidEmailWarningText": "Please make sure that that recipient_email is a valid email. Using dummy or invalid emails will lead to account suspension in accordance with Platform terms and conditions.",
   "projectRequired": "No project is selected.",
   "unitsPerCodeRequired": "Each code should contain at least 1 unit.",
   "codeQuantityRequired": "You need to create at least 1 code.",
@@ -61,7 +70,7 @@
     "unitsNotProvided": "Units are missing/invalid for some recipients.",
     "notifyNotPossible": "Email and name are missing for some recipients that are to be notified.",
     "instructionRowError": "An error occurred on the 1st row. Please check if you have deleted the instructions, or if there is additional data.",
-    "invalidEmails": "The emails provided are invalid on the following rows: ",
+    "invalidEmails": "recipient_email contains dummy/invalid emails on the following rows: {{rowList}}. Please remove invalid emails or add valid emails.",
     "generalError": "Something went wrong. Please try after a while."
   },
   "successUploadCSV": {
@@ -75,4 +84,4 @@
     "planet_cash_payment_failure": "The transaction failed. {{reason}}",
     "planet_cash_invalid_project": "You cannot make a donation to the selected project."
   }
-}
\ No newline at end of file
+}
diff --git a/src/features/user/BulkCodes/components/BulkGiftTotal.tsx b/src/features/user/BulkCodes/components/BulkGiftTotal.tsx
index c5b0cac4a0..9e1fb257f6 100644
--- a/src/features/user/BulkCodes/components/BulkGiftTotal.tsx
+++ b/src/features/user/BulkCodes/components/BulkGiftTotal.tsx
@@ -10,6 +10,7 @@ interface BulkGiftTotalProps {
   currency?: string;
   units?: number;
   unit?: string;
+  isImport?: boolean;
 }
 
 const BulkGiftTotal = ({
@@ -17,6 +18,7 @@ const BulkGiftTotal = ({
   currency,
   units = 0,
   unit = 'tree',
+  isImport = false,
 }: BulkGiftTotalProps): ReactElement | null => {
   const { t, ready, i18n } = useTranslation(['common', 'bulkCodes']);
 
@@ -43,7 +45,17 @@ const BulkGiftTotal = ({
           currency as string,
           amount
         )} for ${units} ${getUnit(unit, units)}`}
-        helperText={t('bulkCodes:chargeConsentText')}
+        helperText={
+          <>
+            {t('bulkCodes:chargeConsentText')}
+            {isImport && (
+              <>
+                <br />
+                {t('bulkCodes:invalidEmailWarningText')}
+              </>
+            )}
+          </>
+        }
         // TODOO translation and pluralization
       ></TextField>
     );
diff --git a/src/features/user/BulkCodes/components/RecipientsUploadForm.tsx b/src/features/user/BulkCodes/components/RecipientsUploadForm.tsx
index e60396dc14..86763bfb5f 100644
--- a/src/features/user/BulkCodes/components/RecipientsUploadForm.tsx
+++ b/src/features/user/BulkCodes/components/RecipientsUploadForm.tsx
@@ -12,6 +12,7 @@ import {
 } from '../BulkCodesTypes';
 
 import styles from '../BulkCodes.module.scss';
+import { isEmailValid } from '../../../../utils/isEmailValid';
 
 const { Trans, useTranslation } = i18next;
 
@@ -126,19 +127,18 @@ const RecipientsUploadForm = ({
     const invalidEmailIndexes: number[] = [];
     recipients.forEach((recipient, index) => {
       const { recipient_email } = recipient;
-      const emailRegex =
-        /^([a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?)$/i;
-      if (!emailRegex.test(recipient_email) && recipient_email.length !== 0)
+      if (!isEmailValid(recipient_email) && recipient_email.length !== 0) {
         invalidEmailIndexes.push(index + 1);
+      }
     });
 
     if (invalidEmailIndexes.length > 0) {
       setParseError({
         type: 'invalidEmails',
         message: ready
-          ? `${t(
-              'bulkCodes:errorUploadCSV.invalidEmails'
-            )} ${invalidEmailIndexes.join(', ')}`
+          ? t('bulkCodes:errorUploadCSV.invalidEmails', {
+              rowList: invalidEmailIndexes.join(', '),
+            })
           : '',
       });
       return false;
diff --git a/src/features/user/BulkCodes/forms/IssueCodesForm.tsx b/src/features/user/BulkCodes/forms/IssueCodesForm.tsx
index 77588dda4b..5d4b259957 100644
--- a/src/features/user/BulkCodes/forms/IssueCodesForm.tsx
+++ b/src/features/user/BulkCodes/forms/IssueCodesForm.tsx
@@ -241,6 +241,7 @@ const IssueCodesForm = ({}: IssueCodesFormProps): ReactElement | null => {
                 currency={planetCashAccount?.currency}
                 units={getTotalUnits()}
                 unit={project?.unit}
+                isImport={bulkMethod === 'import'}
               />
             </div>
 
diff --git a/src/utils/isEmailValid.ts b/src/utils/isEmailValid.ts
new file mode 100644
index 0000000000..b6aa919031
--- /dev/null
+++ b/src/utils/isEmailValid.ts
@@ -0,0 +1,22 @@
+const INVALID_DOMAIN_LIST = ['dummy.de', 'example.com', 'company.de'];
+
+const generateInvalidEmailRegex = (): string => {
+  const startingPattern =
+    '^[a-zA-Z0-9_.+-]+@(?:(?:[a-zA-Z0-9-]+.)?[a-zA-Z]+.)?(';
+  const domainList = INVALID_DOMAIN_LIST.join('|');
+  const endingPattern = ')$';
+  return `${startingPattern}${domainList}${endingPattern}`;
+};
+
+const INVALID_DOMAIN_REGEX = new RegExp(generateInvalidEmailRegex(), 'i');
+const EMAIL_FORMAT_REGEX =
+  /^([a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?)$/i;
+
+/**
+ * Validates provided email address for standard email format, and against excluded/invalid domains
+ * @param {string} email - Email address to be validated
+ * @returns boolean
+ */
+export const isEmailValid = (email: string): boolean => {
+  return EMAIL_FORMAT_REGEX.test(email) && !INVALID_DOMAIN_REGEX.test(email);
+};