MailShield ‑ Email Validator

MailShield Email Validator protects your store by blocking fake, disposable, and mistyped email addresses at checkout. This app stops bad emails that lead to failed deliveries, chargebacks, fake accounts, and unnecessary support tickets. The validator checks every email address during checkout and blocks risky ones before orders are placed. It automatically rejects disposable and temporary email domains, catches common typos, and suggests the correct domain so customers can fix mistakes instantly. You can also enforce your own custom blocklist of email domains. After checkout, MailShield scores each order and auto-tags suspicious ones with risk notes for your team to review before shipping. Get email alerts when risky orders come through, helping you prevent fraud and reduce chargebacks while improving delivery success rates.