They aren’t delivered, whether they came from a vendor or were manually entered. A high hard bounce rate indicates invalid email addresses.Here is a list of indicators to help you assess your email list’s hygiene: Here’s how to assess your list, with common problems and solutions. Incorrect, incomplete, invalid, out-of-date, inconsistent, or otherwise unusable information may plague your email list. Your email list may be cluttered with irrelevant contacts who aren’t interested in your offer. Your database is only as good as your email marketing strategy.
