Domain example.com has exceeded the max defers and failures per hour
What is this error?
If you are receiving an error similar to "Domain example.com has exceeded the max defers and failures per hour (5/5 (100%)) allowed" in an email bounceback, it means that outgoing email from your domain has triggered a rule in the server that will stop any further email from going out of the server. This happens when a domain account sends out emails that either fail or get deferred. If the number of failures or defers are greater than the server limit, no further mails are allowed.
How can I fix this?
This error is derived from an hourly monitoring system, where any blocked domains are allowed to send email again at the top of every hour. For example, if you received this error at 2:45pm, the block will release at 3:00pm and the domain will be able to send emails out once more.
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2015-09-17 12:53 am
Could you please tell how to solve "Domain example.com has exceeded the max defers and failures" issue. Recently most of our clients are facing this issue. On checking logs we could see the error is occuring becase they are sending too many emails than the allowed limit. We later tell our clients to resend the emails a little later. But still they are facing this issue. We cannot tell clients that they cannot send too many emails, they are paying for it . Could you please tell us what needs to be done in such cases.
2015-09-17 11:49 am
Thank you for contacting us. If you are hosted on our servers, simply Sending an Email Limit Exception Request in AMP.
They will review your request and increase the email limit if necessary.