Security Engineer · Engineering
Covers account and sending security: API key handling, two-factor authentication, TLS and preventing abuse of your sending infrastructure.
Jonas works on the security of the platform and of customer accounts. He writes about protecting API keys and SMTP credentials, enabling two-factor authentication, restricting access by role and detecting misuse.
He also covers transport security (TLS for SMTP and HTTPS for APIs) and what to do if a credential leaks.
His guides keep security advice practical: what to change today, and how to confirm it worked.
Credential security, key rotation, TLS, account protection, incident response
Create an account, add your domain and send your first email.