Your data is stored on managed cloud infrastructure inside encrypted databases. SMTP passwords and Google OAuth tokens are encrypted at rest using authenticated encryption. All traffic to and from Sendqube is served over HTTPS/TLS.
Access to production systems is restricted to authorized personnel and audited. We use least-privilege access controls and strong authentication for internal tools.
Retention. We retain your account, campaign, and contact data for as long as your workspace is active. You can delete contacts, sequences, templates, and mailboxes at any time from inside the product.
Deletion. When you close your account we delete your workspace data within a reasonable period, except where retention is required for legal, accounting, or security reasons.