Valid - Good! You have a valid and usable email address

This email address has been verified as a real email and you can continue using the address as planned.

SAFE TO SEND

Best Match - Our proprietary email topology engine

When a server is configured to accept mail sent to any address in that domain and when the server indicates that the email address is good, we list the best matching email patterns thanks to our proprietory email topology engine. This process ensures that the emails are sent to right person in the company as we manage and update email patterns for over a million companies across the world.

SAFE – If you have a dedicated email server with your own IPs, Best Match emails are safe for sending.
DON’T SEND – If you use a third party email provider that requires a bounce rate below 4%.

Catch All - This is also known as an “accept all”

The server indicates that the email address is good ─ but the server is configured to accept mail sent to any address and will therefore report that any address is good. There is no definitive way to determine whether this email is valid or invalid.

SAFE – If you have a dedicated email server with your own IPs, catch all emails are normally safe for sending.
DON’T SEND – If you use a third party email provider that requires a bounce rate below 4%, these emails are not safe for sending.

Unknown - The status of the email could not be accurately determined

We are unable to definitively determine this email’s status. This email appears to be OK, however the domain and/or server is not responding to our requests. This may be due to an issue with their internal network or expired domain names.

SAFE – If you have a dedicated email server with your own IPs, unknown emails are normally safe for sending.
DON’T SEND – If you use a third party email provider, these emails are not safe for sending.

Invalid - Bad! The email address is bad and should not be used.

An invalid email address has been verified as a bad recipient address that does not exist or is not accepting mail. Invalid emails will result in a bounce.

DON’T SEND – These emails do not exist and are not safe for sending.

Disposable - Fake or temporary emails

Disposable emails are temporary accounts used to avoid using a real personal account during a sign-up process. Common providers of disposable emails include Mailinator, Guerilla Mail, AirMail, and 10 Minute Mail.

DON’T SEND – These emails are fake or temporary emails and are not safe for sending.

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