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Frequently Asked Questions
Find quick answers about disposable inboxes, mailbox purchase, automation, MCP, and AI agent workflows
Suiyongsuiqi offers disposable email for sign-ups, short-term inbox usage, and message retrieval to reduce spam and privacy exposure. Basic usage is free with a daily quota, and transactional inboxes are available for business needs.
Basic usage is available without registration. Log in when you need mailbox purchase, mailbox management, message retrieval, or API automation.
Both random and custom prefixes are supported. Logged-in users can also purchase and manage mailboxes for longer-term use.
The inbox supports automatic refresh and manual refresh for timely message retrieval.
Free usage resets daily. Random and custom prefixes are tracked separately and reset automatically.
After login you can purchase private mailboxes, buy in batches, top up balance, and manage mailbox assets, read messages, monitor unread mail, and delete mailboxes. You can also generate API keys and use the CLI or SDK for AI agent, agent identity, and script workflows.
Try another prefix or choose a different suffix and retry.
No. Mail detail pages are private and are excluded from indexing by default.
Generate an API key in the API Key page to access mailbox APIs programmatically, including mailbox purchase, mailbox management, message retrieval, unread summary, mark-as-read, mailbox deletion, and mailbox transfer operations.
Yes. We provide the SYSQ CLI, the underlying SDK, and an official stdio-only MCP server for agents, agent identity flows, local scripts, and automation that need to buy mailboxes, retrieve messages, delete mailboxes, or bind mailboxes. You can open the CLI or MCP from the footer under Tools and use our GitHub repositories for source code and setup guidance. Before using them, prepare SYSQ_BASE_URL and SYSQ_API_KEY.
Yes. SYSQ provides an official stdio-only MCP server for Model Context Protocol compatible clients. It is intended for Claude Desktop, Cursor, Cherry Studio, and similar MCP clients. Configure SYSQ_BASE_URL and SYSQ_API_KEY, then follow the sysq-mcp repository README for installation, exposed tools, resources, prompts, and current setup details.