Messages come in
Use the assigned @blackinbox.xyz address to receive email in your mailbox.
Receive-only email
Your inbox,
clearly.
A simple place to access your @blackinbox.xyz mailbox. Sign in to read what arrived; messages are kept for up to seven days.
Blackinbox receives email. It does not send messages.
BLACKINBOX / INBOXReady to receive
Your mailboxA message, when it matters
INBOX
Private accessSign in with your mailbox credentials
SECURE
Short retentionMessages are removed after seven days
7 DAYS
Existing mailbox accounts, ready to access
Your mailbox stays yours
Sign in with your mailbox name and password. Your password is not stored in browser storage.
Seven-day message window
Messages are automatically removed after seven days. Don't use the service for high-risk information.
Need help?
Send a note to the Blackinbox administrator. Contact-form submissions are reviewed in the admin area; no automatic reply is sent.