smtp;554 5.7.1 [1] Message rejected under suspicion of SPAM; https://ya.cc/1IrBc ##
The receiver refused the message for good and points at a policy or security problem (enhanced status 5.7.1). Use the wording above to pin down the exact fix.
Email provider · 5.x.x permanent failure
Yandex SMTP 554 Errors: Every Bounce Response Explained
Every SMTP 554 response on record from Yandex (yandex.com), with the verbatim text, the enhanced status code, a severity rating and a plain-English fix.
The transaction failed with no more specific reason offered. In practice the receiver is saying the message is unwanted: a spam verdict, a blocklisted IP, or a policy rejection. The accompanying text is where the detail is.
- Provider
- Yandex
- Code
- 554 (5xx)
- Responses
- 1
- Highest severity
- High
Yandex SMTP 554 responses
Yandex SMTP 554 questions
›What does an SMTP 554 error from Yandex mean?
The transaction failed with no more specific reason offered. In practice the receiver is saying the message is unwanted: a spam verdict, a blocklisted IP, or a policy rejection. The accompanying text is where the detail is. At Yandex, it is a permanent rejection, and the specific reason is in the enhanced status code and message text of each response below.
›How do I stop Yandex from returning SMTP 554?
Match your bounce text to one of the responses below and follow its guidance. Recipient-side wording means fix the address. Authentication or reputation wording (SPF, DKIM, DMARC, blocklist) means fix your sending setup, and check Yandex's postmaster documentation.