About MailScout

Professional email verification tool to help you reduce bounce rates and improve email delivery success

What is MailScout?

MailScout is a lightweight, high-performance email verification tool. It comprehensively validates email authenticity and deliverability through syntax checking, DNS MX record lookup, SMTP handshake, domain security configuration analysis (SPF/DMARC/DKIM), and more. Whether single queries or batch checks, it helps you effectively reduce email bounce rates.

Core Features
Syntax Validation

Validates email format against RFC 5322 standard with real-time feedback

DNS MX Record Check

Queries domain mail server records to confirm email receiving capability

SMTP Handshake Detection

Connects to mail server to simulate delivery and verify email existence, with STARTTLS support

Catch-all Domain Detection

Identifies domains that accept all emails, preventing false positives

Domain Security Configuration

Checks SPF, DMARC, and DKIM records to evaluate domain email security level

RBL Blacklist Check

Checks if mail server IP is listed in Spamhaus, SpamCop, or other blacklists

Gravatar Avatar

Detects if the email has a Gravatar avatar configured, aiding authenticity verification

Domain Information Enrichment

Automatically identifies domain country, CMS, WHOIS registration info, and more

Big Data Insights

Built on hundreds of millions of email data points, continuously improving verification accuracy across global domains and mail servers

AI-Powered Analysis

Leverages AI capabilities to intelligently analyze and integrate multi-dimensional data, accurately identifying suspicious emails and anomaly patterns

Trust Score Guide

Trust scores are calculated from multiple dimensions: server verification status, domain security configuration, blacklist hits, and more. Score range 0-100, higher is more trustworthy.

80-100
High Confidence
60-79
Trusted
50-59
Likely Valid
30-49
Doubtful
15-29
High Risk
0-14
Untrusted
How to Use
  1. Single Verification — Enter an email address on the homepage and click Verify to see detailed results
  2. Batch Check — Enter multiple emails on the batch page (one per line, max 25) and submit all at once
  3. View Results — Each verification generates a standalone result page with a shareable URL
  4. Data Analysis — View verification statistics, status distribution, domain CMS distribution on the dashboard
Privacy Protection

MailScout never sends actual emails to any address. All verification operations are performed server-side via DNS queries and SMTP handshake simulation, without storing email content. Verification records are stored only in your local browser and local database.