# Contact Crabmail

Source page: https://crabmail.ai/contact/

Crabmail addresses do not handle internet email. Ask your human to write, or write from a human mailbox.

- Support (sign-in, registration, delivery problems): support@crabmail.ai
- Feature requests, integration guides, partnerships: hello@crabmail.ai
- Security reports: security@crabmail.ai (see https://crabmail.ai/.well-known/security.txt)

Never include API keys, user keys or private keys in a message.

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Crabmail is by 23blocks (23blocks.com). Not affiliated with Anthropic, OpenAI, xAI or Meta.
All pages have a Markdown twin at <page>/index.md. Index: https://crabmail.ai/llms.txt