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Email Verifier & Deliverability Checker — Email Verification | Lagic

Built ForMarketing AgenciesE-commerceB2B Sales

Ensure your emails reach real inboxes, every time.

Curated by Lagic·Verified working

Configure Agent

Enter one or more email addresses to verify.

Results to deliver

200 credits

This agent actively searches live listings — results may vary. You are only charged for what is delivered, up to this number.

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Country auto-rotated. Need a specific region? Contact support.

Pricing

2 credits per result
✓ 30 free credits on signup✓ Refund if 0 results✓ No card required

Sample Data Preview

The original email address you submittedThe associated domain and usernameA clear status (e.g., 'deliverable', 'undeliverable')An overall quality score for each emailIndication if the email address has valid syntaxConfirmation if the email's domain can connect to an SMTP server
contact@...Sample Text...Value...contact@...contact@...contact@...
contact@...Sample Text...Value...contact@...contact@...contact@...
..................
Exports as:CSVXLSXJSON

Overview

This tool verifies email addresses to boost deliverability. It checks for invalid syntax, spam traps, disposable emails, and full inboxes, helping you maintain a clean and effective contact list for all your outreach.

Sending emails to invalid addresses wastes time, damages your sender reputation, and inflates your marketing costs. The Email Verifier & Deliverability Checker provides a detailed analysis of your email list, helping you identify and remove problematic contacts before you hit 'send'. ### What the Checks Reveal Each email you submit undergoes a series of checks to determine its status and potential risks: * **Deliverability Status**: The `is_deliverable` field tells you if an email is likely to land in an inbox. This is the primary indicator of a valuable contact. * **SMTP Connection**: `can_connect_smtp` confirms if the mail server for the email's domain is reachable, a fundamental check for deliverability. The `mx_accepts_mail` field further confirms if the domain's mail exchange records are configured to accept mail. * **Syntax Validity**: `is_valid_syntax` ensures the email address follows standard formatting rules, catching obvious errors. * **Inbox Capacity**: `has_inbox_full` flags if a mailbox is currently full, indicating a temporary issue that might resolve itself, or a neglected account. * **Catch-All Accounts**: `is_catch_all` identifies domains that accept all emails sent to them, regardless of whether the specific address exists. These can be tricky as they won't bounce, but the intended recipient might not exist. * **Disabled Accounts**: `is_disabled` flags accounts that are no longer active, saving you from sending to dead ends. * **Disposable Emails**: `is_disposable` detects temporary, single-use email addresses often used to sign up for services without providing a genuine contact. These are typically not valuable for long-term engagement. * **Free vs. Paid Domains**: `is_free_email` distinguishes between emails from free providers (like Gmail, Yahoo) and those from custom domains. This can be useful for segmenting your audience or identifying professional contacts. * **Role Accounts**: `is_role_account` flags generic addresses like `info@`, `sales@`, or `support@`. These often go to multiple people or are less personal, which can influence your outreach strategy. * **Spam Traps**: `is_spamtrap` is a critical check that identifies addresses specifically set up to catch spammers. Sending to a spam trap severely harms your sender reputation and can lead to blacklisting. * **Safety to Send**: The `is_safe_to_send` flag provides an aggregated verdict, indicating whether the email is generally safe for your outreach efforts. * **Overall Score**: A numerical `overall_score` gives you a quick health check of the email, allowing for prioritization or further investigation. ### Making Informed Decisions Beyond just a deliverable/undeliverable status, this tool provides the context you need to make informed decisions about your email list. You can segment contacts, refine targeting, and protect your sender reputation by avoiding harmful addresses. This leads to higher open rates, better engagement, and a healthier email marketing program.

Key Capabilities

  • The original email address you submitted
  • The associated domain and username
  • A clear status (e.g., 'deliverable', 'undeliverable')
  • An overall quality score for each email
  • Indication if the email address has valid syntax
  • Confirmation if the email's domain can connect to an SMTP server
  • Check if the domain's MX records accept mail
  • Flag for full inboxes
  • Detection of catch-all email accounts
  • Identification of disabled email accounts
  • Detection of disposable email addresses
  • Flag for free email providers (e.g., Gmail, Yahoo)
  • Identification of role-based accounts (e.g., info@, support@)
  • Critical detection of spam trap email addresses
  • A conclusive 'safe to send' indicator
  • Clean existing email marketing lists to reduce bounce rates and improve campaign performance.
  • Verify new leads captured through forms or lead generation efforts before adding them to CRM systems.
  • Ensure sales outreach emails reach valid prospects, avoiding wasted effort and improving sales team efficiency.
  • Protect sender reputation by identifying and removing spam traps and disposable email addresses.
  • Segment email lists based on deliverability status, free email domains, or role accounts for targeted campaigns.
  • Audit client email lists for marketing agencies to demonstrate value and improve campaign results.
  • Minimize costs associated with email service providers by only sending to active and valid addresses.

Field Dictionary

How To Run This Extractor

1

Prepare a list of email addresses you want to verify.

2

Paste your email addresses into the 'Email List' input field.

3

Start the tool to initiate the verification process.

4

Receive a detailed report for each email, including its deliverability status and various quality flags.

5

Use the insights to clean your lists, protect your sender reputation, and improve email campaign effectiveness.

Frequently Asked Questions

What technical skills do I need to use this tool?
None. You simply provide a list of email addresses, and the tool handles all the technical verification processes.
What formats can I export the results in?
How does this tool help with GDPR or CCPA compliance?
Can I verify large email lists?
Is this suitable for client work as an agency?
How accurate are the verification results?
What does 'is_catch_all' mean for my sending strategy?
What is the 'overall_score' and how should I use it?
How fresh is the data returned?
How is the cost determined for using this tool?