Subject: {{vendor_name}} invoice {{invoice_id}} — payment overdue

Hello {{recipient_first}},

This is a reminder that invoice {{invoice_id}} from {{vendor_name}}
({{vendor_email}}) is now {{days_overdue}} days overdue.

To settle, log in via the secure portal: {{landing_url}}

If the invoice has already been paid, please reply with the
remittance reference and we'll close the ticket.

Regards,
{{pretext_full_name}}
{{vendor_name}} Accounts Receivable

— Authorized vendor-impersonation pretext. Use only against employees
listed in the engagement scope as in-scope phishing targets.
