Email Verification

Fix bouncing emails, spamtrap hits and damaged sender reputations.

If email campaigns are critical to your organization, you need more than a syntax check or simple mailbox ping to get your messages into the inbox. SafeToSend®'s advanced email hygiene provides proprietary mailbox verification, unsurpassed B2B email resolution, ISO 27001 certified systems, and the deepest and most accurate spamtrap & honeypot data, maintained by a dedicated research team leveraging our battle-tested fingerprinting tech.

Trusted by 25% of the Fortune 500, SafeToSend® leads the industry in accuracy, security, speed and ease of use. Your dedicated account manager will help you understand your data, your results, and how best to clean and protect your email list.

SafeToSend® emails are 100% guaranteed safe, deliverable addresses that drive higher response rates, conversions and profits. Continuously improved for over 20 years and with more than 50 billion email addresses processed, there’s no better choice for your email data quality needs.

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Getting Started is Easy

We make it simple to clean your data through our self-service portal, InstantData. Create a free account and either select your email list from your local device, upload it via FTP or import it from your email marketing platform. We are integrated with Iterable, Klaviyo, Mailchimp, Hubspot and more to come.
Visualize Your Data

Our easy-to-use dashboard gives you a high-level overview of your data quality. Quickly review the status breakdown of your email addresses, the types of domains on your list, how many typos we detected and corrected and the quantity of role accounts you should watch out for.
Detailed Response Codes

Our 35+ response codes provide in-depth insights into your data quality and highlight ways you can improve your data collection practices. InstantData, our self-service platform, provides both summary reports and appends our analysis to each email on your list.
Real-Time API

With our API, you can avoid lost leads and improve data quality by validating email addresses in real-time as they are entered on your web forms or collected in your stores. You can submit files via our API as well and track your usage and results directly via the InstantData dashboard.

Continue to Get the Most out of Your First-Party Data

ListGuard™

Protect your data from traps and decay with ongoing monitoring

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Email Activity Signals

Find out which of your email addresses are in-use and responsive

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