When emails are returned, for whatever reason, they typically include an automated explanation of the problem. The following list includes most of the common reasons for your bounced emails. Hard bounced emails need removing from your lists if it isn’t possible to find the error and fix it. It could also mean your address is blacklisted or banned by the recipient server. Permanent rejection means that the email address doesn’t exist, it doesn’t have the email server it needs, or that the address is invalid for some other reason. Hard bounce email returnsĪ hard bounce is a little more serious as it announces a permanent problem. However, persistent soft bounces need investigation, and if you can’t sort the issue, you need to consider removing them from your lists. Soft bounces can be caused by temporary disruptions to the server, the recipient’s mailbox being full with not enough server space for your message, or your email content was simply too big.ĭon’t delete soft bounce addresses prematurely-they often resolve themselves without any action. Your server will keep trying to deliver your email until it finds its way into its intended inbox, or it gives up after a set number of attempts or time limit. Soft bounce email returnsĪ soft bounce is a temporary problem. One garners more concern than the other, but if either is appearing in your email campaign lists in higher numbers than acceptable, it’s time to find out why. There are two types of email bounce: soft and hard.
There are 2 main types of an undeliverable email
So why are we constantly plagued with email delivery problems and undeliverable email addresses? We’re going to look at several reasons why it happens, what each means, and how to fix those problematic email bounce backs.