---
title: "MailShield: Fake Email Blocker Shopify App Profile"
description: "Most bad checkout emails are not fraud, they are mistakes. A shopper mistypes their address, the order goes through, and the confirmation and tracking never arrive. MailShield catches the typo at checkout and suggests the right domain so they can fix it. It also refuses disposable and temp-mail domains, plus any domain on your own blocklist, before the order is created. On paid plans every order is tagged and scored afterwards, so your team can filter, automate, or review before shipping."
canonical_url: "https://shoplist.co/shopify-apps/mailshield-email-validator"
markdown_url: "https://shoplist.co/shopify-apps/mailshield-email-validator.md"
last_updated: "2026-10-21"
entity_type: "shopify_app"
slug: "mailshield-email-validator"
source: "public Shopify app profile allowlist"
---

# MailShield: Fake Email Blocker Shopify App Profile

> Most bad checkout emails are not fraud, they are mistakes. A shopper mistypes their address, the order goes through, and the confirmation and tracking never arrive. MailShield catches the typo at checkout and suggests the right domain so they can fix it. It also refuses disposable and temp-mail domains, plus any domain on your own blocklist, before the order is created. On paid plans every order is tagged and scored afterwards, so your team can filter, automate, or review before shipping.

## Quick answer
MailShield: Fake Email Blocker has 0 detected stores in Shoplist. This Markdown profile displays 0 public brand examples; it is not a complete customer list.

## Key facts
- Name: MailShield: Fake Email Blocker
- Monitoring status: First-adopter watch
- Developer: Stackedboost
- Developer profile: https://shoplist.co/app-developers/stackedboost
- Shopify App Store URL: https://apps.shopify.com/email-risk-guard
- Website: https://stackedboost.com
- Launch date: May 24, 2026
- Shoplist category: Product Reviews & UGC
- Free plan signal: Yes
- Free trial signal: Yes

## Pricing summary
Free: Free; Pro: $9.99/month; Advanced: $19.99/month

Shoplist has not yet found reliable public storefront evidence connecting a Shopify store to this app. This does not mean the app has no users. Some apps are new, admin-only, server-side, theme-independent, or otherwise difficult to detect from public storefront signals.


## Public callouts
- Block disposable and temporary email domains at checkout
- Catch common email typos and suggest the correct domain
- Enforce your own custom list of blocked email domains
- Auto-tag and add risk notes to suspicious orders after checkout
- Email alerts when a risky order comes through
## Shopify App Store categories
- Fraud

## Data note
Profile updated: October 21, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-10-27 20:44:59.677949\+00
Detection metrics refreshed: 2026-10-27 00:00:00.310947\+00
Public app evidence date: 2026-10-21 15:08:59.462713\+00
This generated Markdown profile intentionally exposes only public, stable app-profile fields and a small public app-stack sample from Shoplist. It excludes private contact data, people data, internal scores, crawl provenance, full datasets, and unstable operational fields.

## Related links
- [HTML app profile](https://shoplist.co/shopify-apps/mailshield-email-validator)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)