Local Data & Privacy
MailMyCertificate stores working data in this browser so you can recover sessions without an account. This page shows what exists locally and gives you control over cleanup.
Back to toolPrivacy notice
All certificates, recipient data, and generated files are stored locally in your browser. No certificate data is permanently stored by Mail My Certificate. You can clear session data at any time from Settings.
Current batch
Also available anytime via Your local data in the tool or email header.
Delete this batch & start fresh
Removes the template, CSV rows, generated PDFs, and email queue for the current batch. You will return to step 1 with a new session ID.
Delete everything in this browser
Clears all Mail My Certificate batch data and wizard progress. Your Gmail sign-in token may be kept so you do not have to reconnect.
Privacy architecture
A precise view of what stays local and what leaves only when you choose.
Your browser
Certificate generation runs locally. Work is recoverable through IndexedDB.
Gmail relay
The Flask API receives one email request at a time and does not keep a certificate store.
Your Gmail
Messages are delivered from the account you explicitly connect with Google OAuth.
Other places you may see these options
- When you reopen the site — "Previous session found" (continue or start new)
- After downloading a ZIP — "Start new batch"
- After sending emails — "Start new batch" or optional auto-cleanup countdown