frankenphp

11e3745b - docs: explain how to fix SSL/TLS-related issues (#888)

docs: explain how to fix SSL/TLS-related issues (#888) * mail tls issues documentation * fix linting * Update known-issues.md * Update known-issues.md * Update known-issues.md --------- Co-authored-by: Kévin Dunglas <kevin@dunglas.fr>