1. Check the sent items folder in your email account to view if any emails have been sent recently.
2. Review the settings in your email account to verify that any automatic emails are turned off.
3. Check your computer for any malware or viruses that may be sending out emails.
4. Scan your computer for any spyware, malware, or viruses and remove them from your computer.
5. Change your account password to a stronger one.
6. Setup two-factor authentication on your account.
7. Update the anti-virus software on your computer.