diff --git a/endpoints/email4.post.py b/endpoints/email4.post.py
index e69de29..75761b1 100644
--- a/endpoints/email4.post.py
+++ b/endpoints/email4.post.py
@@ -0,0 +1,41 @@
+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy.orm import Session
+
+from core.database import get_db
+from schemas.contactform import ContactFormCreate, ContactFormSchema
+from helpers.contactform_helpers import (
+    validate_contact_form_data,
+    create_contact_form,
+    format_validation_error_response,
+    send_notification_email
+)
+
+router = APIRouter()
+
+@router.post("/email4", status_code=status.HTTP_201_CREATED, response_model=ContactFormSchema)
+async def submit_contact_form(
+    form_data: ContactFormCreate,
+    db: Session = Depends(get_db)
+):
+    """
+    Handle contact form submissions with validation for required fields and email format.
+    """
+    # Validate the form data
+    errors = validate_contact_form_data(form_data.dict())
+    
+    # If there are validation errors, return a 400 response
+    if errors:
+        error_response = format_validation_error_response(errors)
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail=error_response
+        )
+    
+    # Create the contact form in the database
+    contact_form = create_contact_form(db=db, form_data=form_data)
+    
+    # Send notification email (optional step)
+    send_notification_email(contact_form)
+    
+    # Return the created contact form
+    return contact_form
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 596e6f3..ec13e88 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,3 +7,7 @@ sqlalchemy>=1.4.0
 python-dotenv>=0.19.0
 bcrypt>=3.2.0
 alembic>=1.13.1
+email_validator
+jose
+passlib
+pydantic