Question 1

What is email validation?

Accepted Answer

Email validation is the process of verifying whether an email address is real, deliverable, and safe to send to. It checks syntax, domain records, MX servers, catch-all configuration, and performs SMTP mailbox verification to confirm the mailbox exists.

Question 2

What is SMTP mailbox verification?

Accepted Answer

SMTP mailbox verification connects directly to the recipient mail server and checks whether a specific email address exists — without sending any email. It is the most reliable method of email validation and confirms deliverability at the mailbox level.

Question 3

How much does BounceProtect cost?

Accepted Answer

BounceProtect offers a free plan with 100 validation credits. Paid plans start at $29/month for 10,000 validations (Pro), $99/month for 50,000 (Agency), and $199/month for 200,000 (Scale). Credit packs are also available for one-time use.

Question 4

Is BounceProtect an alternative to NeverBounce or ZeroBounce?

Accepted Answer

Yes. BounceProtect offers real-time SMTP mailbox verification, deliverability scoring, spam risk analysis, catch-all detection, and company intelligence matching — comparable to NeverBounce and ZeroBounce, with a modern API and competitive pricing.

Free email deliverability tools.

Email Authentication

DNS Tools

Deliverability Tools

Email Signals