421 validating sender
However, ultimately you will want to contact your email hosting administrators, and likely also the administrators of the server you are trying to send to directly for more assistance with this.
Alyssa, the bounceback lists why your email is being rejected.
Thanks Reporting-MTA: dns; omr-a019X-Outbound-Mail-Relay-Queue-ID: 1920E3800048X-Outbound-Mail-Relay-Sender: rfc822; [email protected]: Wed, -0500 (EST) Final-Recipient: rfc822; [email protected]: rfc822; [email protected]: failed Status: 5.0.0Remote-MTA: dns; mta6.am0.Diagnostic-Code: smtp; 554 delivery error: dd This user doesn't have a account ([email protected]) [-5] - mta1130gq1.Hello Al, Sorry for the problem with the email, but the Yahoo mail server is basically saying that the account does not exist.
You will need to take that up with Yahoo to correct if that is not true.
Some mail servers also use a 554 errorÂ even if there is a specific error code that defines what went wrong all ready.
You should receive a bounce-back message from the server with a variation ofÂ email error 554Â in the subject, and the body should contain your original message that you attempted to deliver.
I noticed that the intended recipients were rather randomly distributed over several industries or even private persons, none of whom exists in my address list, and I promptly deleted all those mails from both my Outlook folder and my folder on my corporate server.We need more information in order to troubleshoot the issue.Primarily, we need the sender's address and account information.'Content Rejected' This means that something about your message appears to be spam-like.I would try adjusting your message content, and subject, and trying to send again at a later time. The reason for the problem: 5.3.0 - Other mail system problem 554-'Message rejected for policy reasons.' Final-Recipient: rfc822;[email protected] Action: failed Status: 5.0.0 (permanent failure) Remote-MTA: dns; [192.168.9.46] Diagnostic-Code: smtp; 5.3.0 - Other mail system problem 554-'Message rejected for policy reasons.' (delivery attempts: 0) ---------- Pesan Yang Diteruskan ----------From: Indra Wahyudi Hello Andreyan, Sorry for the problem with the email errors.This does not appear to be an issue that we can resolve for you, I'm sorry. Sincerely, Carlos EHello friends, I used Sylpheed for some years succesfully.