Total Input
0
Duplicates
0
Processed
0
Valid
0
Risky
0
Invalid
0
Import Emails
Auto-Debounce
High Speed Mode (100K+)
Drag & Drop your file here
Supports up to 500,000 emails
Results
Export Results:
Real-time Inbox Handshake
Auto Debounce
Removes duplicates
Smart Retry + Bruteforce
All MX hosts, all senders, STARTTLS
Inbox Handshake
Full SMTP: EHLO→MAIL→RCPT
Catch-all Check
Detects accept-all domains
100K+ Optimized
Chunked parallel processing
Result Categories:
Valid
SMTP 250 — mailbox confirmed
Risky
Catch-all, graylisted, or SMTP unreachable
Invalid
SMTP 550+ — mailbox does not exist