Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.
Free
One server, in email. Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.
1
server published
1 category
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across every listing
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1 MCP server. 1 of 1 is free to start.
Authentication
0 of 1 use OAuth
The rest either hold an API key issued by the publisher or ask for nothing.
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Listed without a verification tick. Read the listing before installing.