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Disposable or temporary Gmail and Outlook addresses may appear legitimate, but they should be removed from your mailing lists because they lead to fake registrations and false engagement.

Understanding the reasons behind email bounces is key to maintaining a successful email marketing strategy: by proactively verifying your email list, following best practices, and regularly monitoring your bounce rates, you can protect your sender reputation and ensure that your messages land where they’re meant to - your recipient’s inbox.

After more than two decades of service, SORBS (Spam and Open Relay Blocking System), a pioneering force in the realm of DNS-based blacklists (DNSBL), has officially ceased operations as of June 5, 2024: learn more about the rich history of SORBS, its technical intricacies, and its eventual decommissioning.