Privacy Policy · MailBos
Effective date: May 23, 2026

Privacy Policy

MailBos helps users manage professional email workflows, AI-assisted drafting, follow-up reminders, contact context, and account verification. This policy explains what information MailBos processes and how that information is used.

Information we collect

  • Account information, such as your email address, authentication status, and verification status.
  • Plan and usage information, such as subscription status, usage counters, and feature limits.
  • User-provided content, such as company context, contact notes, draft instructions, and email workflow information you choose to store or process in MailBos.
  • Technical information required to operate the service, such as session data, security logs, and diagnostics.

How we use information

We use information to provide MailBos features, authenticate users, verify email addresses, generate email drafts, organize contacts, support follow-up workflows, maintain security, and improve reliability.

Encryption & GDPR

Contact records and sent-email metadata (recipient, subject, and preview) are encrypted at rest using per-user AES-256-GCM keys before they are written to our database. This means even the MailBos team cannot read your contacts or message content directly from storage.

Google API data use

MailBos may access Google user data only after you explicitly authorize access through Google OAuth. Depending on the permissions you grant, MailBos may access data such as your email address, basic profile information, Gmail messages, Gmail labels, draft emails, sent emails, and related email metadata.

MailBos uses Google API data only to provide user-facing features such as email management, AI-assisted drafting, follow-up reminders, search, contact organization, and productivity tools.

MailBos does not sell Google user data, does not use Google user data for advertising, and does not use Google user data to train general AI models.

MailBos's use and transfer of information received from Google APIs will adhere to the Google API Services User Data Policy, including the Limited Use requirements.

Microsoft Graph API data use

MailBos may access Microsoft account data only after you authorize access through Microsoft OAuth. Microsoft Graph API data is used only to provide requested MailBos functionality such as Outlook workflows, drafting, search, contacts, and follow-up features.

Security and secrets

Production API secrets, private tokens, and developer credentials are stored server-side or in managed environment variables. They are not shipped inside public website bundles or desktop app bundles.

Contact

Questions or deletion requests: support@mailbos.app