To prevent duplicate messages in your Sent folder, the method may vary based on your email provider. Some providers allow enabling the "Don't Append Sent Messages" feature with these steps:
- Go to
Settings. - Navigate to
Accountsand select your email account. - Access
Advanced Account Settings. - Enable the
Don't Append Sent Messagesoption.
Note: This feature might not be available for all providers, such as Gmail and Outlook. Different email services have unique protocols and settings configurations, requiring specific solutions for managing sent messages.