# Letterpier security contact (RFC 9116). Please read the policy before reporting.
Contact: mailto:mail@michael-ketzer.com
Contact: https://app.letterpier.com/security/disclosure
Expires: 2027-09-28T22:00:00.000Z
Preferred-Languages: en, de
Canonical: https://app.letterpier.com/.well-known/security.txt
Policy: https://app.letterpier.com/security/disclosure