diff --git a/src/domain/exceptions.py b/src/domain/exceptions.py
index 97997a1..5cc0030 100644
--- a/src/domain/exceptions.py
+++ b/src/domain/exceptions.py
@@ -6,6 +6,10 @@ class InvalidConfirmPasswordError(DomainError):
     """Confirm password does not match."""
     pass
 
+class InvalidFormatEmailError(DomainError):
+    """Invalid email format."""
+    pass
+
 class DuplicateProfileError(DomainError):
     """Email already used."""
     pass
diff --git a/src/domain/services/profile.py b/src/domain/services/profile.py
index adcd1ff..8be040c 100644
--- a/src/domain/services/profile.py
+++ b/src/domain/services/profile.py
@@ -5,7 +5,8 @@
 from src.domain.model.profile import Profile as DomainProfile
 from src.domain.ports.profile_repository import ProfileRepository
 from src.domain.ports.password_hasher import PasswordHasher
-from src.domain.exceptions import DuplicateProfileError, AuthenticationError, NotFoundError, InvalidConfirmPasswordError
+from src.domain.exceptions import DuplicateProfileError, AuthenticationError, NotFoundError, InvalidConfirmPasswordError, InvalidFormatEmailError
+import re
 
 class ProfileService:
     def __init__(self, repo: ProfileRepository, hasher: PasswordHasher):
@@ -27,6 +28,11 @@ def create(self,
                legacy: Optional[str] = None,
                roles: Optional[List[str]] = None
                ) -> DomainProfile:
+        
+        email_regex = r"^[\w\.-]+@[\w\.-]+\.\w+$"
+        if not re.match(email_regex, email):
+            raise InvalidFormatEmailError(f"Email {email} has invalid format")
+
         if self._repo.find_by_email(email):
             raise DuplicateProfileError(f"Profile with email {email} already exists")
         
@@ -62,6 +68,11 @@ def delete(self, profile_id: UUID):
 
     def login(self, email: str, password: str) -> DomainProfile:
         profile = self._repo.find_by_email(email)
+
+        email_regex = r"^[\w\.-]+@[\w\.-]+\.\w+$"
+        if not re.match(email_regex, email):
+            raise InvalidFormatEmailError(f"Email {email} has invalid format")
+
         if not profile:
             raise AuthenticationError(f"Invalid password or email")
         
diff --git a/src/entrypoints/api/routers/profile.py b/src/entrypoints/api/routers/profile.py
index 6ab6037..828d00d 100644
--- a/src/entrypoints/api/routers/profile.py
+++ b/src/entrypoints/api/routers/profile.py
@@ -8,7 +8,7 @@
 from src.container import container
 from src.domain.lib.jwt_manager import create_access_token
 from src.entrypoints.api.schemas.profile import EmailUpdate, PasswordUpdate, ProfileCreate, ProfileRead, ProfileWithToken, RolesUpdate, TokenResponse, ProfileLogin, ProfilUpdate, CoachProfileRead
-from src.domain.exceptions import DuplicateProfileError, InvalidConfirmPasswordError, NotFoundError, AuthenticationError
+from src.domain.exceptions import DuplicateProfileError, InvalidConfirmPasswordError, InvalidFormatEmailError, NotFoundError, AuthenticationError
 from src.entrypoints.api.deps.auth import UserPayload, get_current_user, require_owner_or_admin
 from src.entrypoints.api.deps.roles import require_roles
 
@@ -38,6 +38,8 @@ async def create_profile(
         raise HTTPException(status_code=400, detail=str(e))
     except InvalidConfirmPasswordError as e:
         raise HTTPException(status_code=400, detail=str(e))
+    except InvalidFormatEmailError as e:
+        raise HTTPException(status_code=400, detail=str(e))
     
     token = create_access_token(
         subject=str(profile.id),
@@ -92,7 +94,9 @@ async def login(
         profile = service.login(email=dto.email, password=dto.password)
     except AuthenticationError as e:
         raise HTTPException(status_code=401, detail=str(e))
-    
+    except InvalidFormatEmailError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+
     token = create_access_token(
         subject=str(profile.id),
         roles=profile.roles,
diff --git a/src/entrypoints/api/schemas/profile.py b/src/entrypoints/api/schemas/profile.py
index cd608fa..ecb291a 100644
--- a/src/entrypoints/api/schemas/profile.py
+++ b/src/entrypoints/api/schemas/profile.py
@@ -4,7 +4,7 @@
 from typing import List, Optional
 
 class ProfileCreate(BaseModel):
-    email: EmailStr
+    email: str
     password: str
     confirm_password: str
     name: Optional[str] = None
@@ -55,7 +55,7 @@ class ProfileWithToken(BaseModel):
     token: TokenResponse
 
 class ProfileLogin(BaseModel):
-    email: EmailStr
+    email: str
     password: str
 
 class ProfilUpdate(BaseModel):