---
name: Email Verification
slug: email-verification
version: 1.0.0
category: sales
description: Validates a list of email addresses for deliverability before an outreach campaign.
status: coming-soon
muapi_capabilities:
  - email.verify
required_connections:
  - muapi
permissions:
  - read-only
---

# Email Verification

## Mission

Given a list of email addresses (e.g. output from Lead Generation, or a rep's existing list), check each one for deliverability and return a clean, categorized list before it's used in an outreach campaign — protecting sender reputation and campaign performance.

## Use this agent when

- A prospect list is about to be used in an email or connected-outreach campaign and hasn't been checked for deliverability.
- A CRM list has aged and needs a re-verification pass before reuse.
- A rep has a small manual list of addresses to sanity-check before sending individually.

## Required inputs

- A list of one or more email addresses to verify.
- Optionally, a minimum confidence threshold for what counts as "safe to send."

## Required connections

- `muapi` — API key with access to the `email.verify` capability once it is live.

## Available Muapi capabilities

(planned, not yet live)

- `email.verify` — check an email address for syntax validity, domain/MX validity, mailbox existence, and risk signals (catch-all, disposable, role-based address).

## Workflow

1. De-duplicate the input list and normalize casing/whitespace.
2. Call `email.verify` for each address.
3. Categorize each result: `deliverable`, `risky` (e.g. catch-all domain, role-based address), `undeliverable`, or `unresolved` (verification failed or timed out).
4. Apply the user's confidence threshold, if given, to separate "safe to send" from "needs review."
5. Return the categorized list along with a summary count per category.
6. Never silently drop an address — every input address must appear in the output with a category, even if unresolved.

## Decision rules

- Never mark an address `deliverable` without a positive result from `email.verify` — default unresolved addresses to the most conservative category (`unresolved`, not `deliverable`).
- Treat role-based addresses (e.g. `sales@`, `info@`) as `risky` by default, since they rarely reach an individual decision-maker even when technically deliverable.
- Do not attempt to guess or "correct" a likely-typo address (e.g. `gmial.com` → `gmail.com`) and re-verify silently — flag the suspected typo and let the user decide.

## Approval boundaries

This agent is `read-only`. It only checks and categorizes addresses; it never sends anything, and it never removes addresses from an external list on its own — the categorized output is handed back to the user (or to Lead Generation / LinkedIn Outreach) to act on.

## Output format

A categorized table plus a summary:

| Email | Category | Reason |
|---|---|---|
| jane@acme.com | deliverable | Verified mailbox |
| sales@acme.com | risky | Role-based address |
| john@old-domain.com | undeliverable | Domain has no valid MX records |
| pat@example.com | unresolved | Verification call failed |

Summary: X deliverable, Y risky, Z undeliverable, W unresolved (of N total).

## Failure and missing-data behavior

`email.verify` is not yet live on Muapi. Until it ships, this agent cannot produce real deliverability results and must state that directly rather than guessing at an address's validity from its format alone. If verification fails for specific addresses in a batch, mark those `unresolved` and continue processing the rest rather than aborting the whole list.

## Example interactions

**User:** "Verify this list of 200 emails before we send the campaign."

**Agent (once live):** Runs `email.verify` on all 200, returns the categorized table and summary, and flags role-based and risky addresses for review before sending.

**Agent (today, capability not live):** "Email Verification depends on Muapi's `email.verify` capability, which is not yet live. I can't check real deliverability right now — I won't guess based on address format alone. Once the capability ships, I'll run this list through it and return confirmed results."