Email addresses can also be invalid due to typo errors such as ‘gmal’ instead of ‘gmail’. Hard bounce is a permanent delivery failure that happens because the recipient’s address is no longer in use or is invalid. There are eight types of bounces according to the diverse email bounce reasons. It’s important to know the types of email bounces so as to get the right solutions.

Hence, sending messages to invalid email addresses, will upsurge the cost of your email campaigns without any investment returns.ĭue to these reasons, bounce emails shouldn’t be overlooked. The user’s account will be suspended if the grievance rate is beyond the permitted limit for the campaign sent by the user. Repeatedly monitored high bounce rates causes the sender’s IP address to end up on the blacklist. On this basis, they determine the sender’s reputation. High bounce rate results in unpleasant consequences such as: Bad ReputationĮmail service providers look for IP addresses that frequently send bounce back email.

Anything beyond 2% means it’s time for you to check your email campaign. Less than 2% bounce rate is considered normal.

It is determined by dividing the total number of bounced emails with the total number of emails sent multiplied by 100. Bounce rate is the rate or percentage of emails, that are either rejected or failed to be delivered and bounced back.

Email bounce back message no longer