A bounce occurs when an email cannot be delivered. Typically, the email server will inform you of the reason. There are two categories for these bounces: hard bounces and soft bounces.
A hard bounce means there is a persistent barrier preventing the delivery of an email. Usually, bounced email addresses are automatically and instantly removed from your list. All emails for upcoming campaigns will not include the cleaned addresses. Some of the most common causes of hard bounces in emails include:
When a soft bounce occurs, the email address is legitimate, and the message was delivered correctly to the inbox. However, the bounce may have occurred for one of the following reasons:
This is usually considered a short-term issue as the server can be patched, the recipient can clear their inbox, and the message size can be reduced.
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