---
title: "MailboxValidator integration | Growf"
description: "MailboxValidator checks email addresses for syntax, deliverability, mail-server availability, and free or disposable… Connect MailboxValidator to Growf."
url: "https://www.growf.io/integrations/mailboxvalidator/"
language: "en"
---

Integration / Collaboration & Communication

![MailboxValidator logo](https://logos.composio.dev/api/mailboxvalidator)

# MailboxValidator integration

MailboxValidator checks email addresses for syntax, deliverability, mail-server availability, and free or disposable provider status.

[Get a demo](https://www.growf.io/demo/)

About MailboxValidator

## MailboxValidator is an email verification service that checks syntax, deliverability, mail-server availability, and disposable provider status. Use it to reduce bounces, catch disposable addresses, and improve overall email deliverability.

[All integrations](https://www.growf.io/integrations/)

Category

Collaboration & Communication, Developer Tools & DevOps

Connection

API key

Type

Tool

Actions

860

Tags

library

Example prompts

## What you can ask Growf to do with MailboxValidator

- “Verify 100 email addresses from CSV”

- “Identify disposable addresses in my list”

- “Check SMTP deliverability for support@example.com”

Available actions

## 860 actions your agents can run in MailboxValidator

- Check Disposable Email  
Check whether one email address uses a disposable email provider. Consumes one API credit.
- Check Free Email  
Check whether one email address uses a free email provider. Consumes one API credit.
- Validate Email  
Run comprehensive syntax, domain, mail-server, reputation, and provider checks on one email address. The status field is the overall validation verdict; an HTTP success alone does not mean the mailbox was verified. Consumes one API credit.

## Put MailboxValidator to work inside Growf.

Connect it once and every workspace, agent and workflow can use it — securely, with your team in the loop.

[Get a demo](https://www.growf.io/demo/)