Call Us: 800.732.3440

Don't let your email marketing
bounce out of control

Get secure and easy validation of your records with a proprietary coding system that gives you a clear picture of your data.


Email Validation

AccuValid provides email address verification to help your email marketing campaigns succeed by providing intelligence on invalid and suspect emails.

Increase the reliability and accuracy of your email metrics
Minimize bounce rates, while increasing deliverability
Increase the likelihood of inbox delivery
Build your reputation by sending to only valid addresses
Mitigate against the risk of being blocked or blacklisted
Ensure the opportunity to engage recipients

How It Works

Clean up your email lists in 4 easy steps!
Improve your email marketing campaigns by increasing delivery rates.

  • Step 1
  • Step 2
  • Step 3
  • Step 4

Why AccuValid for Email Validation?

See what sets us apart. From fast service to useful integration, AccuValid offers the highest level of quality control for email address verification.

Flexible Pricing

Pay-per-use, starting at less than 1¢ per email address verification with no contract or subscription.

Easy to Use

Intuitive online tools make it easy to validate your email list. Validate 1 or one million emails (or more!) with real-time or batch validation options.

Get Alternate Emails

Send us your invalid email records and we will append an alternate valid email address for you.

Useful Integrations

Validate email addresses directly through your website, mobile forms, CRM system, and more.

Full-Service Support

Let us do the work of email validation for you. We’ll validate the addresses and send you the results.

Enter an email address below and see if it's valid.

The AccuValid code descriptions below provide insight into the validity of the address that you entered. Using AccuValid’s codes along with the corresponding recommended action helps you to make more informed deployment decisions. When you upload your email list to AccuValid, you’ll receive a code for each address.

Validating email address...
V: This email address is valid.
  • A = Email address is invalid; a hard bounce or invalid recipient response was received from the email server
  • C = Email address domain verified, appears to be an accept-all domain
  • D = Email address domain is invalid and/or does not accept email
  • F = Email address is not valid syntax; there are errors in the format of the email or the email contains special characters that are not allowed
  • M = Mobile domain, identified as a mobile email address and classified as non-deliverable by the FCC
  • O = Email address is identified as being on a global opt-out list
  • R = Email address is role-based (such as or
  • S = Email address is on one of more blacklists or email address is associated with being screamers/litigators
  • T = Associated domain identified as a disposable domain
  • U = Domain verified; mailbox undetermined
  • V = Email address is valid as we can determine with the ISP (Internet Service Provider)
  • W = Email address has been identified as a spam reporter/complainer
  • X = Email address has been identified as a SPAM trap
Go to top of page