A 554 email error is sometimes thought of as a catch-all of email errors. It is generally used when there is a generic delivery failure that another email error code doesn’t directly define a problem for.
Đang xem: 554 malformed email rejected
Some mail servers also use a 554 error even if there is a specific error code that defines what went wrong already.
You should receive a bounce-back message from the server with a variation of email error 554 in the subject, and the body should contain your original message that you attempted to deliver.
Example bounce-back message
A message that you sent could not be delivered to one or more of itsrecipients. This is a permanent error. The following address(es) failed:
Common variations of the 554 email error
554 5.7.0 Message Size Violation554 5.7.1 Message blocked due to spam content in the message554 5.7.1
554 5.7.1 : Relay access denied554 RLY:B1554 delivery error: dd This user doesn’t have a ymail.com account554 Denied (Mode: normal)554 Invalid recipient554 Malformed mail denied!554 Message is not RFC compliant; missing “Date” header554 Message not allowed –
Resolving a 554 email error bounceback
Because errors in the 554 series don’t always bounceback for a common reason, they could be either a hard or soft bounce. To better understand soft and hard bounces, and general email bounceback errors you can read why does email bounce, bounceback, or error?
In our example bounce-back error above the reason the message has failed is because an auto-reply was trying to be sent to an account that didn’t exist. So the RemoteDomain.com mail server responded back with a 554 Invalid recipient error.
Stormy is a Content Marketing Writer at InMotion Hosting. Her content focus is WordPress, web design, and help articles for small businesses.
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