Upload a file by providing its base64 content, filename, and MIME type to obtain an attachment ID for use when sending emails.
Apache 2.0
510,487 tools. Updated 2026-09-04 05:19
"A tool for sending emails" matching MCP tools:
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- List all sender identities (email addresses) available for sending emails from your Fastmail account.MIT
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- Upload a file by providing its base64 content, filename, and MIME type to receive an attachment ID for use when sending emails.Apache 2.0
- Upload a file by providing base64-encoded content, filename, and MIME type. Returns an attachment ID to use when sending emails.Apache 2.0
- Upload an email attachment for the Sendmux Sending API. Use a local file path, hosted upload, or inline base64 for small agent-authored files.MIT
- Enrich a single email address with creator data. Use for individual lookups; choose batch enrichment for more than 10 emails.MIT
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- Pause a currently sending campaign to stop delivery. Only campaigns in sending status can be paused; use resume_campaign to restart later.MIT
- Check attachment metadata before sending an email. Use a temporary attachment ID to retrieve details without downloading file bytes.MIT