Every check, one clean workspace
No accounts, no uploads, no retention. Pick a tool and inspect your mail infrastructure in seconds.
Email Tracker Stripper & Spy Pixel Remover
Neutralize invisible 1x1 tracking pixels (Mailchimp, SendGrid, HubSpot) and unwrap click-redirect tracking URLs from email HTML to protect your IP and reading habits.
- Zero-Footprint 1x1 Spy Pixel Removal
- Mailchimp & SendGrid Link Unwrapping
- 0-100 Privacy Score & Grade (A+ to F)
- Interactive Clean HTML & Live Preview
Disposable Email & Burner Domain Checker
Deep MX telemetry and heuristic verification to detect throwaway burner emails, fake registrations, and abuse vectors before they hit your production database.
- Known Disposable Provider Heuristics
- Live DNS MX Mail Routing Analysis
- 0-100 Fraud Risk Score & Verdict
- Actionable Defense Policy Guidelines
Email Header Analyzer & Security Inspector
Deep RFC 822/2822 email header parser. Validates SPF, DKIM, and DMARC alignment, traces relay hop latency, extracts sender IP, and calculates a security grade.
- SPF, DKIM & DMARC Verification
- Relay Hop Timeline & Latency
- A+ to F Security Grade Scoring
- Extract Origin IP & Mail Client
Email Deliverability & Spam Score Checker
Heuristic spam keyword scanner. Evaluates subject lines and body copy against 5 spam trigger categories, capitalization ratio, and missing unsubscribe compliance.
- 0-100 Deliverability Inbox Score
- 5 Spam Keyword Categories Scanned
- Capitalization & Link Ratio Audit
- CAN-SPAM & GDPR Compliance Signals
DNS & Email Authentication Checker
Instant DNS health audit. Resolves and validates MX records, SPF policy syntax, DMARC enforcement policy, DKIM public keys, and BIMI brand indicators.
- MX Host & Priority Verification
- SPF Syntax & 10-Lookup Rule Check
- DMARC Policy (p=reject/quarantine)
- DKIM Selector & BIMI Record Lookup
Deep Email Address & Syntax Validator
Multi-layered email verification. Validates RFC 5322 compliance, resolves live domain MX records, catches common domain typos, and detects disposable temporary emails.
- RFC 5322 Grammar & Format Check
- Live Domain MX Server Resolution
- Auto-Typo Domain Suggestion
- Disposable / Temp Mail Detection
Email Address Obfuscator & Bot Shield
Protect email addresses on public websites against spam harvesting bots using 4 evasion methods: CSS bidirectional override, HTML entity references, and ROT13 JS.
- CSS Bi-directional Reversal (RTL)
- Decimal & Hex Entity Masking
- Dynamic JavaScript ROT13 Decoder
- Safe Mailto Anchor Generator
Need an address right now?
Open an in-memory disposable inbox in one click. No account, no logs, and it clears itself in 10 minutes.
Why email authentication & deliverability matters
Inbox providers now enforce strict sender identity. These tools help you verify every layer before a message leaves your domain.
Modern email ecosystem security has fundamentally shifted. Major email inbox providers—including Google Workspace, Yahoo Mail, Microsoft 365, and Apple Mail—strictly mandate domain authentication records like SPF, DKIM, and DMARC. Emails originating from unauthenticated domains or relays with misconfigured DNS records face aggressive throttling, spam folder placement, or outright rejection.
Cryptographically sign outgoing emails with DKIM and declare authorized server IPs with SPF to stop malicious phishing in your name.
Obfuscate public email addresses to prevent automated scraping bots from building spam marketing lists from your website.
Audit spam trigger words, capitalization, and unsubscribe signals before sending campaigns to ensure primary inbox delivery.
Frequently asked questions
Everything you need to know before running your first audit.