554 Yahoo bounce: account does not exist
What 554 means
Yahoo says the recipient account does not exist. The rejection is permanent, so the address should be removed.
Message text
554 delivery error: dd This user doesn't have a yahoo.com account
Common causes of 554
- Recipient yahoo.com account was closed or never existed
How to fix 554
- Do not retry; remove the address from your list.
- Confirm the address with the recipient through another channel.
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How to read 554
The first part, 554, is the SMTP reply code. Transaction failed: a general permanent failure, often a policy or reputation block. Replies that start with 4 are temporary and replies that start with 5 are permanent (RFC 5321 §4.2.1).
This reply carries no enhanced status code. The three-digit reply code is the only machine-readable signal, so read the text that follows it to learn the reason.
Do not keep resending the same message: a permanent failure repeats until the cause is fixed. Correct the cause, then send a new message.
Official source: senders.yahooinc.com. Last verified 2026-10-20.
Related guides
- How to create an SPF record (syntax and examples)
- How DKIM works and how to publish a DKIM record
- How to set up a DMARC record, from p=none to p=reject
Related codes
FAQ
What does 554 mean?
Yahoo says the recipient account does not exist. The rejection is permanent, so the address should be removed. This is a permanent failure.
How do I fix 554?
Do not retry; remove the address from your list. Confirm the address with the recipient through another channel.
Is 554 permanent, and should I retry?
554 is a permanent failure, so retrying the same message will fail again. Fix the cause first, then send a new message.