Total Input
0
Duplicates
0
Processed
0
Valid
0
Risky
0
Invalid
0
Import Emails
Auto-Debounce (Remove Duplicates)
Automatically removes duplicate emails before validation
High Speed Mode (100K+)
Optimized for large datasets. Uses chunked processing and reduced polling.
Drag & Drop your file here
Supports up to 500,000 emails
CSV
TXT
Tip: For 100K+ emails, use file upload instead of paste
Results
Export Results:
High Accuracy SMTP Verification
Auto Debounce
Removes duplicates
Smart Retry
3 attempts with backoff
RCPT TO Check
Real mailbox verification
Extended Timeout
Up to 15s for slow servers
100K+ Optimized
Chunked parallel processing
Result Categories (High Accuracy):
Valid (Deliverable)
SMTP confirmed mailbox exists after retry
Risky (Uncertain)
Graylisted, IP reputation, or timeout
Invalid (Undeliverable)
SMTP confirmed mailbox does not exist