DeBounce

🚀 We are excited to announce the launch of DeBounce for Google Sheets. This integration lets you verify emails directly in your Google Sheets Doc. Instead of exporting your list and uploading it manually, you can clean email data where it already lives: https://d.my/gsh

Did you know you must merge multiple SPF records into one, or your emails may fail authentication? Having more than one v=spf1 record causes SPF PermError, leading to bounces or spam placement, even for legitimate emails. Learn how to find, merge, and fix multiple SPF records correctly. 👉 Read the full guide: https://lnkd.in/dhX2hmyw

Did you know a single email blacklist entry can silently destroy your deliverability? If your campaigns suddenly start bouncing, open rates drop overnight, or clients say they never receive your emails, there’s a strong chance your domain or sending IP has been blacklisted. Email blacklists exist to protect users from spam, phishing, and abuse — but legitimate senders often get listed due to issues such as poor list hygiene, broken SPF/DKIM/DMARC records, shared IP contamination, or unusual sending patterns. When that happens, even clean, opt-in emails can be blocked or sent straight to spam. The good news is that blacklisting is not permanent. # In this guide, we explain: - What email blacklists are and why they exist - How to check if your IP or domain is listed - The most common reasons legitimate senders get blacklisted - Step-by-step instructions to request removal - A detailed reference table covering major blacklists like Spamhaus, Barracuda, Spamcop, and more - Practical steps to prevent future listings and protect your sender reputation long term If email deliverability matters to your business, blacklist monitoring and prevention shouldn’t be an afterthought — it should be part of your regular email operations. 👉 Read the complete guide: https://lnkd.in/dF_s9tbb

Did you know Gmail clips emails larger than ~102 KB of HTML? This can hide key content like CTAs, product sections, unsubscribe links, and tracking pixels — leading to lower engagement and inaccurate analytics, especially for Gmail users. The good news: Gmail clipping is predictable and avoidable with cleaner HTML and better email structure. 👉 Read the full guide: https://lnkd.in/dNhEQmdp

🚀 Bulk Data Enrichment Is Now Live We’ve enabled Bulk Data Enrichment on DeBounce, making it easier to enhance your contact lists while you validate them. You can now upload your email lists and run data enrichment alongside email validation in a single flow. https://lnkd.in/dUvCV429

🚀 New Feature: Free Live Company Logo Finder & Migration from Clearbit We’ve released a new Free Company Logo Finder that lets you instantly fetch verified brand logos using nothing more than a company domain. Read more: https://lnkd.in/dRMivmyu

Using multiple IPs for email campaigns helps distribute sending volume and isolate reputation. Each IP can build its own reputation, reducing the risk that a single high-bounce or spam complaint event affects the entire campaign. However, improper management, such as uneven sending, inconsistent DKIM or SPF alignment, or skipping warm-up, can trigger reputation dilution or spam filter penalties.

Major Update: Yahoo Disabled Accounts Email Validation Is Now Supported We’ve just rolled out a powerful update to our email validation system — it can now detect disabled Yahoo accounts with unmatched accuracy. This improvement enhances data hygiene, ensuring your Yahoo-based lists are cleaner than ever. Whether you’re using bulk validation or API integration, our upgraded detection engine helps you avoid hard bounces, save credits, and maintain top-tier sender reputation.

Unlike IPv4, where a single IP carries your sender reputation, IPv6 distributes reputation across a vast /64 subnet. Each sending address is evaluated separately by ISPs, so it is crucial to maintain consistent sending patterns and properly warm up new addresses. For marketers, careful management of IPv6 infrastructure can improve deliverability and reduce the risk of reputation bleed across shared IPs.

When it comes to email marketing, the choice between IPv4 and IPv6 can significantly impact deliverability. IPv4 addresses are tried and tested. They have a long-established history, making it easier to manage reputation and monitor blacklists. Marketers benefit from mature infrastructure and well-understood best practices. IPv6, on the other hand, provides an enormous address space, which seems ideal for scaling. However, its reputation signals are sparse, and spam filters have limited historical data to evaluate your sending behavior. This can make inbox placement less predictable. The takeaway: For now, IPv4 remains the safer choice for consistent email marketing performance, while IPv6 adoption should be approached carefully, with proper warm-up and monitoring strategies.