A bounce is the percentage of email messages that failed to send. In email marketing, it is acceptable to divide bounces into two categories based on the reason the email bounced.
This group includes the following reasons why email addresses may bounce:
- "The domain name doesn't exist." This means that it is impossible to deliver the email to the recipient's email address.
- "The email address doesn't exist." This means that the delivery failed because there is no such email address on the current domain.
- "Spam by the server." This means that the recipient's server rejected receiving the message and considered it to be spam. This error can also be displayed if the recipient's email address is blocked.
With the SendPulse Email Verifier, you can eliminate hard bounces. This tool checks whether your mailing list contains invalid email addresses. So, after the validation, you get a valid mailing list that helps you keep your sender reputation high.
This group has temporary delivery issues. The following reasons are why email addresses may bounce in this case.
- "Temporarily unavailable." This means that the last email failed to send for a reason beyond the service's control; for example, the user’s server was unavailable, or it rejected the message.
- "Mailbox full." This means that the subscriber’s mailbox is full and can't receive any new email messages.
- "The email is too large." This means the contents of the email were too big to send.
These details are found in your statistics report. Read about the reasons why email addresses may bounce in this article.
Last Updated: 21.03.2023
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