What’s the difference between a hard and soft bounce ?
When it comes to keeping your lists clean and knowing which emails are good or not, a hard or soft bounce are the only real way to know which is which. Many white listed servers are very strict about not having a list with a “bounce” rate of more than 1% and they really mean Hard bounces or dead emails, not soft-bounced emails.
If you have your own server for example and use IEM or Interspire as your mailing software, you get all this lovely data right on your site which works the exact same way as any white listed server as Mail-chimp or Constant Contact. Read more