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SMTP Error 554


Transaction failed (Or, in the case of a connection-opening response, "No SMTP service here")

What does this mean?

The receiving mail server will not accept your message. Typically in relation to your sending mail server being blacklisted.

How to fix SMTP Error 554

  • Check your server's IP for any possible blacklisting.
  • If not blacklisted, request your IP be whitelisted by the receiving server.
email/troubleshooting/error-numbers/554.txt · Last modified: 2015/02/04 14:48 by dlevey