In this guide you will step by step process of how I found 30% more valid contact emails from a contact list of 13,000 exported from Apollo.
By following these steps, you'll safely expand your reach without compromising your sender reputation. More valid emails mean a broader audience for your campaigns.
Clean lists improve open rates and engagement, leading to better overall campaign performance.
Better data leads to more effective outreach, allowing you to target the right audience with precision.

Utilize Apollo's advanced search filters to find contacts matching your ideal customer profile. Export the list of contacts, including those with and without email addresses.
Use Apollo's validation feature or specialized services for more accurate results. Identify catch-all emails, which can be risky and may harm your deliverability.
Avoid sending to catch-all addresses to prevent potential spam traps or bounces. Flag these for further verification if necessary.
Focus on contacts missing email information and import them into Clay.
Use Clay to find valid email addresses that Apollo might have missed.
Use a reliable email validation service to ensure these addresses are safe to contact.
Some may be validated through Clay or other tools, expanding your contact list.
Lead Magic is $.012/credit
Clay (using leadmagic) which is $.034/credit
For 10,000 Find/Verification Calls you would save $161.00
Working with one of my clients I was able to support them in finding 30% emails they wouldn't have otherwise had in addition to keeping them from heading to SPAM.
Processed 6,573 contacts without emails, finding 2,430 additional valid emails.
Re-validated 3,589 catch-all emails, recovering 352 new valid addresses.
Avoided emailing high-risk addresses, preventing potential damage to domain and maintaining high deliverability rates.
Periodic validation keeps your data fresh and maintains high deliverability.
Tailor messages for different groups to boost engagement and relevance.
Continuously refine your subject lines and content for better performance.
Adhere to GDPR and CAN-SPAM regulations to ensure legal and ethical outreach.
See how only using one data source (like Apollo) can hurt your team missing key contacts and potentially putting your sending domain in spam city.