Over % of professionals agree that email marketing is the most effective way to reach out to prospects. But the professional world is always in motion- constantly switching jobs, changing roles, or updating contact details, so your list can become outdated faster than you think. In fact, % of a BB email list decays every year which is quite significant. Here’s a quick look at how fast people quit their jobs- How Often To Verify Email Lists - (Best Practices + Case Study) Think of all the efforts and resources you might waste usage of our employment database every year sending email campaigns without verifying the list properly. So, here’s how often you should verify to keep your list in top shape: For single opt-in lists: Every days for weekly or daily campaigns. Before each campaign if they are or more than months apart. For double opt-in lists: Once a month for weekly or daily campaigns. A check before each campaign for monthly and quarterly campaigns. Why so frequent? Role or Company Changes: Your target decision-maker might no longer be in the same position—or even at the same company.
Mergers, or Closures: Businesses evolve, merge, or cease operations, making contacts obsolete. Temporary or Professional Email Churn: Work email addresses often have a short shelf life, leading to frequent changes. If you neglect regular verification it impacts your deliverability. You risk sending emails to invalid addresses, harming your sender reputation, and—worst of all—landing in spam folders. How often should you verify a BC Email List? BC email lists may decay slower than BB lists