tinysend free email tools
run a check — or let your agent call the keyless API.
- deliverability check SPF, DKIM, DMARC & MX for any domainkeyless API · skill · MCP tool
- blacklist check is a domain on Spamhaus / SURBL / URIBL?keyless API · skill · MCP tool
- disposable check is this a throwaway / disposable email domain?keyless API · skill · MCP tool
- spam test send a real email, get a spam scoreinbox placement · SPF/DKIM/DMARC
every tool is a keyless API + skill + MCP tool. see agents.