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Emails verified
99%
Accuracy rate
< 2s
Avg verify time
80%
Cheaper than ZeroBounce
From sign up to clean list
in under 5 minutes
No technical knowledge needed. Upload, verify, download.
Sign up free
Create your account in 30 seconds. No credit card required. Get 100 free verification credits instantly.
Upload your list
Drop a CSV, XLSX or TXT file with one email per line. We read the file and show you exactly how many emails will be verified.
We verify every email
Our 3-tier engine checks syntax, DNS, disposable status, and SMTP delivery. Results in seconds for single, minutes for bulk.
Download clean results
Download Safe to Send (valid only), Simplified, or all emails as CSV or XLSX. Your list is ready to upload to any ESP.
Everything you need to
keep your list clean
Lightning fast
Single email verification in under 2 seconds. Bulk jobs process thousands of emails per minute.
7-point verification
Syntax, DNS, MX records, disposable detection, role-based, catch-all, and SMTP delivery check.
Bulk CSV upload
Upload CSV, XLSX or TXT files up to 100MB. We show you the exact email count before you start.
Full REST API
Integrate verification into your app, form, or workflow. Supports both session and API key auth.
Up to 60% cheaper
Our 3-tier verification engine cuts costs dramatically. Starting from $3 per 1,000 verifications.
Safe to Send list
Download only the valid emails filtered from your list. CSV or XLSX, multiple filter options.
Verify any email
instantly
Enter a single email address and get a full verification report in under 2 seconds. Check syntax, DNS records, SMTP delivery, and more.
- Syntax validation
- DNS / MX record check
- Disposable domain detection
- SMTP delivery test
- Deliverability score 0-100
SINGLE EMAIL VERIFICATION
Simple, transparent pricing
Up to 60% cheaper than EmailListVerify. Credits never expire.
Pay as you go
Perfect for occasional use. Credits never expire.
Starter
10,000 verifications every month. Best for growing teams.
Pro
50,000 verifications. For serious email senders.
Enterprise? Need 1M+ verifications/month?
Contact us for custom pricing →Integrate in minutes.
Any language.
Simple REST API with JSON responses. Authenticate with an API key. Full documentation included.
curl -X POST https://api.mailsguard.io/v1/verify \
-H "X-Api-Key: mg_live_..." \
-H "Content-Type: application/json" \
-d '{"email": "user@example.com"}'
# Response:
{
"email": "user@example.com",
"status": "valid",
"score": 98,
"checks": {
"syntax": true,
"dns": true,
"disposable": false,
"smtp": "valid"
},
"duration_ms": 420
}Trusted by marketers worldwide
"MailGuard cut our bounce rate from 12% to under 1%. The bulk upload feature is incredibly fast."
Sarah K.
Email Marketing Manager
"The API was up and running in 10 minutes. Clean docs, consistent results. Much cheaper than alternatives."
Ahmed R.
Growth Engineer
"We verify every signup email in real-time. Invalid emails dropped by 95%. Worth every penny."
Maria L.
Founder, SaaS startup