Security, privacy, limitations and troubleshooting

Understand Letter Manager identifiers and tokens

Distinguish database ID, reference, unique verification code, signature hash, visible verification code and email-open token. The guide then takes you through the correct route, the checks to complete before making changes, the workflow in order, and the evidence to review afterwards.

Audience: Administrators and developersPermission: Authenticated staff accountModule v1.0.0

Jump to steps

Where to goAdmin Area → Letter Manager → Internal Full View; code-backed reference

Before you start

Use an authorised account and confirm the customer, external recipient, template, letter or configuration is the intended one.
Follow the exact route shown above and verify the stored record, generated file and delivery evidence instead of relying on an alert alone.

What you’ll accomplish

Distinguish database ID, reference, unique verification code, signature hash, visible verification code and email-open token. These instructions follow the inspected module’s live hook, route, controller, model, installer, PDF helper and view flow.

Follow these steps

Use ID only as the internal numeric record key.
Use reference_no for operational correspondence lookup.
Use unique_code for public verification URL.
Use hash for the public signature URL and signature filename.
Use random_verification_code for visible barcode/evidence.
Treat email_open_token as private tracking infrastructure.

Fields and options to review

Action scopeDistinguish database ID, reference, unique verification code, signature hash, visible verification code and email-open token.

Module version1.0.0

Exact routeAdmin Area → Letter Manager → Internal Full View; code-backed reference

EvidenceVerify the history row, PDF, email metadata, open evidence, signature, public page, client view or postal fields produced by this flow.

Rules the system enforces

Each identifier has a separate purpose and should not be substituted.
Public links do not expire in this release.

How to confirm it worked

The requested letter, template, setting, file or tracking detail is created or updated through the supported route.
The history row, generated PDF, email/send metadata, public verification, signature evidence, client view or postal display agrees with the action.
Any warning, missing file or failed send is investigated rather than bypassed.

Security, privacy and operational checks

Apply least privilege and verify recipient identity before sending or exposing public links.
Protect PDFs, enclosures, signatures, verification URLs, email-open metadata, IP addresses and customer data under organisational policy.
Test configuration and deployment changes with controlled records before production-wide use.
Interpret email opens and e-signatures according to their documented technical limitations.

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