diff --git a/frontend/src/app/modules/login/log-in-page/log-in-page.component.ts b/frontend/src/app/modules/login/log-in-page/log-in-page.component.ts
index 515d27a88..cbded249b 100644
--- a/frontend/src/app/modules/login/log-in-page/log-in-page.component.ts
+++ b/frontend/src/app/modules/login/log-in-page/log-in-page.component.ts
@@ -7,7 +7,7 @@ import { UserService } from '@core/services/user.service';
 import { User } from '@shared/models/user/user';
 import { emailMaxLength } from '@shared/utils/validation/form-control-validator-options';
 import { passwordPattern } from '@shared/utils/validation/regex-patterns';
-import { getErrorMessage } from '@shared/utils/validation/validation-helper';
+import { emailWithDotValidator, getErrorMessage } from '@shared/utils/validation/validation-helper';
 import { switchMap } from 'rxjs';
 
 @Component({
@@ -17,7 +17,13 @@ import { switchMap } from 'rxjs';
 })
 export class LogInPageComponent implements OnInit {
     logInForm = new FormGroup({
-        email: new FormControl('', [Validators.required, Validators.maxLength(emailMaxLength), Validators.email]),
+        email: new FormControl('', [
+            Validators.required,
+            Validators.maxLength(emailMaxLength),
+            Validators.email,
+            emailWithDotValidator,
+        ]),
+
         password: new FormControl('', [Validators.required, Validators.pattern(passwordPattern)]),
     });
 
diff --git a/frontend/src/app/modules/login/sign-up-page/sign-up.component.ts b/frontend/src/app/modules/login/sign-up-page/sign-up.component.ts
index 06e29a127..828a7bee9 100644
--- a/frontend/src/app/modules/login/sign-up-page/sign-up.component.ts
+++ b/frontend/src/app/modules/login/sign-up-page/sign-up.component.ts
@@ -13,7 +13,7 @@ import {
     userNameMinLength,
 } from '@shared/utils/validation/form-control-validator-options';
 import { latinCharactersPattern, passwordPattern } from '@shared/utils/validation/regex-patterns';
-import { getErrorMessage } from '@shared/utils/validation/validation-helper';
+import { emailWithDotValidator, getErrorMessage } from '@shared/utils/validation/validation-helper';
 import { switchMap } from 'rxjs';
 
 @Component({
@@ -25,7 +25,12 @@ export class SignUpComponent {
     isExistingEmail = false;
 
     registrationForm = new FormGroup({
-        email: new FormControl('', [Validators.required, Validators.maxLength(emailMaxLength), Validators.email]),
+        email: new FormControl('', [
+            Validators.required,
+            Validators.maxLength(emailMaxLength),
+            Validators.email,
+            emailWithDotValidator,
+        ]),
         username: new FormControl('', [
             Validators.required,
             Validators.minLength(userNameMinLength),
diff --git a/frontend/src/app/shared/utils/validation/form-controls-error-messages.ts b/frontend/src/app/shared/utils/validation/form-controls-error-messages.ts
index 3d76a2300..0a237ae9c 100644
--- a/frontend/src/app/shared/utils/validation/form-controls-error-messages.ts
+++ b/frontend/src/app/shared/utils/validation/form-controls-error-messages.ts
@@ -11,6 +11,7 @@ export const emailValidationErrorMessages: ControlErrorMessages = {
     required: 'Please enter your Email',
     email: 'Email format is incorrect. An example of the correct format: example@example.com',
     maxlength: `Email must not exceed ${emailMaxLength} characters`,
+    noDotInDomain: 'Email format is incorrect. An example of the correct format: example@example.com',
 };
 
 export const usernameValidationErrorMessages: ControlErrorMessages = {
diff --git a/frontend/src/app/shared/utils/validation/regex-patterns.ts b/frontend/src/app/shared/utils/validation/regex-patterns.ts
index f6fd5b7f6..388ea7e85 100644
--- a/frontend/src/app/shared/utils/validation/regex-patterns.ts
+++ b/frontend/src/app/shared/utils/validation/regex-patterns.ts
@@ -1,2 +1,3 @@
 export const passwordPattern = '^(?=.*[a-z])(?=.*[A-Z])(?=.*[0-9]).{8,32}$';
 export const latinCharactersPattern = '^[a-zA-Z]+(?:[-\\s][a-zA-Z]+)*$';
+export const emailDomainPattern = /^[^@]+@[^@]+\.[a-z]+$/i;
diff --git a/frontend/src/app/shared/utils/validation/validation-helper.ts b/frontend/src/app/shared/utils/validation/validation-helper.ts
index 1218218b0..7595fafc3 100644
--- a/frontend/src/app/shared/utils/validation/validation-helper.ts
+++ b/frontend/src/app/shared/utils/validation/validation-helper.ts
@@ -1,4 +1,4 @@
-import { FormGroup } from '@angular/forms';
+import { AbstractControl, FormGroup, ValidationErrors } from '@angular/forms';
 import {
     emailValidationErrorMessages,
     passwordValidationErrorMessages,
@@ -6,6 +6,8 @@ import {
 } from '@shared/utils/validation/form-controls-error-messages';
 import { ControlErrorMessages } from '@shared/utils/validation/validation-interfaces';
 
+import { emailDomainPattern } from './regex-patterns';
+
 const controlErrorMessagesMap: { [key: string]: ControlErrorMessages } = {
     email: emailValidationErrorMessages,
     username: usernameValidationErrorMessages,
@@ -24,3 +26,13 @@ export function getErrorMessage(formControlName: string, form: FormGroup): strin
 
     return null;
 }
+
+export function emailWithDotValidator(control: AbstractControl): ValidationErrors | null {
+    const email = control.value as string;
+
+    if (email && emailDomainPattern.test(email)) {
+        return null;
+    }
+
+    return { noDotInDomain: true };
+}