Email Append

What is it?

What is it?

"Email Append" is a marketing practice that involves adding email addresses to an existing database of customer or prospect records by matching them with external data sources. Email appending aims to enrich and expand email lists, allowing marketers to reach a broader audience and improve the effectiveness of their email campaigns.

Key points to remember

Key points to remember

  • Data Enhancement: Email appending enhances existing customer databases by adding missing or incomplete email addresses obtained from external sources such as third-party data providers or publicly available databases.

  • Matching Process: The email append process typically involves matching customer records based on identifying information such as name, postal address, or phone number to obtain corresponding email addresses.


  • Permission-Based: Ethical email appending practices involve obtaining consent from customers or prospects before adding their email addresses to the database and providing options to opt-out or unsubscribe from future communications.


  • Quality Considerations: Marketers should prioritize data quality and accuracy when conducting email append projects to ensure that appended email addresses are valid, up-to-date, and compliant with relevant regulations such as GDPR and CAN-SPAM.


  • Integration: Appended email addresses should be seamlessly integrated into existing email marketing platforms or customer relationship management (CRM) systems to facilitate targeted messaging and campaign execution.

Example of Use

Example of Use

  1. Database Enrichment: A B2B company partners with a data provider to append email addresses to its customer database, enabling it to reach key decision-makers and influencers with targeted email campaigns.


  2. Reactivation Campaigns: An e-commerce retailer conducts an email append project to update and expand its email list. This allows it to re-engage dormant customers with personalized reactivation campaigns and special offers.

Find and verify emails for free