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Address & domain
Validate address structure, domain existence and mail-routing configuration.
Free · no signup
Check if an email address can receive mail for free.
Verify syntax, domain health, MX records, disposable-email risk, role-account risk and mailbox signals in seconds. No message is sent.
Free individual checks. SMTP results can return unknown when a provider intentionally hides mailbox existence.
Likely valid
—deliverability score
Syntax · DNS · MX · disposable risk · role-account risk · SMTP when available
One check, the signals that matter.
We separate hard facts from uncertain mailbox signals instead of hiding everything behind one opaque score.
MX
Mail infrastructure
Inspect active MX records and identify major receiving providers when possible.
✓
Risk signals
Flag disposable domains, role addresses and mailbox rejection separately.
A free email toolkit.
Useful tools for list hygiene, diagnostics, lead cleanup and pre-send QA.
Email checker
Check syntax, domain health, MX records, disposable risk and mailbox signals.
Deliverability checker
Run deeper SMTP and catch-all diagnostics without sending an email.
Bulk email verifier
Paste or upload up to 100 emails and separate likely-valid, risky and invalid addresses.
Disposable email checker
Detect temporary and throwaway email domains using the live blocklist.
Email domain checker
Inspect domain existence, mail-routing setup and provider signals.
MX record checker
Look up mail exchangers and understand where a domain receives email.
What does “valid” actually mean?
Email verification has several layers. A correctly formatted address can belong to a nonexistent domain. A domain can exist without mail servers. A mail server can accept all addresses, or deliberately hide whether a mailbox exists. EmailValidly reports those layers separately so an uncertain SMTP result is not presented as a fact.
Does EmailValidly send an email?
No. The single-address checker can make a lightweight SMTP conversation with the receiving mail server, but it does not send a message. Many providers restrict this behavior, so mailbox status may remain unknown.