Status 1#
smtp;554 5.7.1 <[email protected]>: Recipient address rejected: BLOCK-SEND-ER.
The address does not exist, or is no longer active, at this provider. Remove it from your list and check for a typo in the local part or the domain.
Spam filter · 5.x.x permanent failure
Trend Micro SMTP 554 Errors: Every Bounce Response Explained
Every SMTP 554 response on record from Trend Micro, 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.
- Spam filter
- Trend Micro
- Code
- 554 (5xx)
- Responses
- 4
- Highest severity
- Unclassified
Trend Micro SMTP 554 responses
Status 2#
smtp;554 5.7.1 <[email protected]>: Recipient address rejected: Invalid-Recipient.
The address does not exist, or is no longer active, at this provider. Remove it from your list and check for a typo in the local part or the domain.
Status 3#
smtp;554 5.7.1 <[email protected]>: Recipient address rejected: NO-DOMAIN.
The address does not exist, or is no longer active, at this provider. Remove it from your list and check for a typo in the local part or the domain.
Status 4#
smtp;554 5.7.1 <[email protected]>: Recipient address rejected: BLOCK-RCPT.
The address does not exist, or is no longer active, at this provider. Remove it from your list and check for a typo in the local part or the domain.
Trend Micro SMTP 554 questions
›What does an SMTP 554 error from Trend Micro 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 Trend Micro, 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 Trend Micro 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 Trend Micro's postmaster documentation.