diff --git a/api/commands.py b/api/commands.py
index a8d89ac200..acb66ea96d 100644
--- a/api/commands.py
+++ b/api/commands.py
@@ -34,7 +34,7 @@ from libs.rsa import generate_key_pair
 from models import Tenant
 from models.dataset import Dataset, DatasetCollectionBinding, DatasetMetadata, DatasetMetadataBinding, DocumentSegment
 from models.dataset import Document as DatasetDocument
-from models.model import Account, App, AppAnnotationSetting, AppMode, Conversation, MessageAnnotation, UploadFile
+from models.model import App, AppAnnotationSetting, AppMode, Conversation, MessageAnnotation, UploadFile
 from models.oauth import DatasourceOauthParamConfig, DatasourceProvider
 from models.provider import Provider, ProviderModel
 from models.provider_ids import DatasourceProviderID, ToolProviderID
@@ -62,8 +62,10 @@ def reset_password(email, new_password, password_confirm):
     if str(new_password).strip() != str(password_confirm).strip():
         click.echo(click.style("Passwords do not match.", fg="red"))
         return
+    normalized_email = email.strip().lower()
+
     with sessionmaker(db.engine, expire_on_commit=False).begin() as session:
-        account = session.query(Account).where(Account.email == email).one_or_none()
+        account = AccountService.get_account_by_email_with_case_fallback(email.strip(), session=session)
 
         if not account:
             click.echo(click.style(f"Account not found for email: {email}", fg="red"))
@@ -84,7 +86,7 @@ def reset_password(email, new_password, password_confirm):
         base64_password_hashed = base64.b64encode(password_hashed).decode()
         account.password = base64_password_hashed
         account.password_salt = base64_salt
-        AccountService.reset_login_error_rate_limit(email)
+        AccountService.reset_login_error_rate_limit(normalized_email)
         click.echo(click.style("Password reset successfully.", fg="green"))
 
 
@@ -100,20 +102,22 @@ def reset_email(email, new_email, email_confirm):
     if str(new_email).strip() != str(email_confirm).strip():
         click.echo(click.style("New emails do not match.", fg="red"))
         return
+    normalized_new_email = new_email.strip().lower()
+
     with sessionmaker(db.engine, expire_on_commit=False).begin() as session:
-        account = session.query(Account).where(Account.email == email).one_or_none()
+        account = AccountService.get_account_by_email_with_case_fallback(email.strip(), session=session)
 
         if not account:
             click.echo(click.style(f"Account not found for email: {email}", fg="red"))
             return
 
         try:
-            email_validate(new_email)
+            email_validate(normalized_new_email)
         except:
             click.echo(click.style(f"Invalid email: {new_email}", fg="red"))
             return
 
-        account.email = new_email
+        account.email = normalized_new_email
         click.echo(click.style("Email updated successfully.", fg="green"))
 
 
@@ -658,7 +662,7 @@ def create_tenant(email: str, language: str | None = None, name: str | None = No
         return
 
     # Create account
-    email = email.strip()
+    email = email.strip().lower()
 
     if "@" not in email:
         click.echo(click.style("Invalid email address.", fg="red"))