550 permanent failure for one or more recipients Mar 18, 2025 · 550 permanent failure for one or more recipients (xxxxx @ xxxxx. )In case of the recipient’s mail inbox is full and there is not enough space to receive any more mails. We are communication with our clients via email. 252] reply 550 permanent failure for one or more recipients ( xxxxxxxxxxxxxxx:blocked ) Mar 30, 2025 · 550 Permanent Failure for one or more recipients and how to fix it. Jul 14, 2023 · 550 5. customer. By understanding and tackling the "550 Permanent Failure" error, you can maintain effective communication channels and minimize disruptions in your email interactions. Sep 2, 2025 · The recipient’s email server may require addresses to be pre-registered before they can receive emails. One minute you’re firing off an email, the next you get the ominous rejection notice: “550 Permanent failure for one or more recipients. 1 All recipient addresses rejected : Access denied. 350 Typically, a Bounced Status code: 550 5. I would think it would send out to the rest of the addresses, but it did not. I want to send an e-mail to test@domain. We will delve into the nature of the 550 error, the various types of 550 errors, and their common causes. Aug 11, 2021 · The returned NDR is the same for all. com:550 Sender IP reverse lookup rejected) Thanks 當您不在家使用家庭電子郵件帳戶傳送電子郵件訊息時，您的電子郵件訊息可能會傳回 550、553 或轉送禁止的錯誤訊息。 當您不在辦公室，並嘗試使用公司電子郵件帳戶傳送電子郵件訊息時，也可能發生同樣的情況。 Dec 10, 2021 · “#550 Permanent Failure for One or More Recipients”, Where we settle support requests for web working with providers. But alot of us are having issues with 550s. Sep 15, 2021 · 550 Permanent Failure For One Or More Recipients - How to fix? - Gmail Community Help Center Community Gmail ©2025 Google Privacy Policy Terms of Service Community Policy Community Overview Program Policies Enable Dark Mode Jul 6, 2021 · We are business company selling products. It means the recipient's mail server rejected your email, preventing it from reaching the intended inboxes. 82. org. Sep 6, 2019 · 550 requested action not taken: mailbox unavailable 550 user unknown 550 mailbox not found 550 relay not permitted 550 recipient address rejected: user unknown in local recipient table 550 reject due to policy restrictions 550 invalid address 550 user has too many messages on the server 550 permanent failure for one or more recipients Fix "550 Permanent Failure for One or More Recipients" SMTP error with our detailed guide. com > (reason: 550 permanent failure for one or more recipients ( ***************:blocked Fix the 550 Permanent Failure error easily! Learn causes, solutions for different email providers, and pro tips to improve email deliverability. 1 Message size exceeds fixed maximum message size Reduce the email’s size by compressing attachments or using a file-sharing service, and consider splitting the content into multiple emails if necessary. 350 : can be: The message is too large The subject line is too long Messages suspected to be spam. Apr 17, 2024 · 550 5. ess. 350 Remote server returned message detected as spam -> 554 5. 550 permanent failure for one or more recipients blocked. Jun 2, 2021 · 550 5. Getting a "550 permanent failure for one or more recipients" message is frustrating. May 26, 2023 · We are happy to help you. 3. ” Not the message you want to see. 550 permanent failure for one or more recipients (person@domain. ca:blocked) As far as I know, SPF and DKIM records for our domain are setup and functional (I did it a few months ago). Anytime we send an email from our organisation, i get an auto-response of a 550 5. 255] said: 550 permanent failure for one or more recipients (orders@gscscarteret. protection. )The recipient’s Jan 24, 2023 · The recipients mail server filter doesn't like something in the message and thinks it is spam. 350 Remote server returned message' error or other 550 permanent failure, a key strategy is to steer clear of sending attachments, especially for cold outreach. Nov 1, 2018 · 550 permanent failure for one or more recipients (melissa. outlook. com [209. 20 in Exchange Online (the recipient doesn't exist or your Auto-Complete list entry for the recipient May 7, 2023 · Learn how to fix email issues for error code 5. 0. Help Center Community Gmail ©2025 Google Privacy Policy Terms of Service Community Policy Community Overview Program Policies Enable Dark Mode Aug 13, 2024 · Email is correct. 350 Remote server returned message detected as spam -> 550 permanent failure for one or more recipients Our spf: v=spf1 ip4: [internal-ip] ip4: [internal-ip] ip4: [internal-ip] include:spf. com, but I get the following error message. )The email address of the recipient does not exist or is not found. Ensure that the email address is valid and exists. IN MX 30 d12345. No, the users are getting NDRs from our side with a 550 error, e. Address all SMTP, relay, and configuration issues. 222. But suddenly before 5-6 day ago, our emails send to domains @raymond-nj. com:blocked) yet I have no problems replying from Safari in Outlook online. Can you provide any guidance on how to resolve this error message. May 1, 2020 · Learn how to fix email issues for error code 5. Diagnose causes, apply best practices, and improve deliverability. “550 Permanent Failure For One or More Recipients” DUN DUN DUNNNN. Jul 14, 2023 · 550 permanent failure for one or more recipients: If you send spam emails frequently (or your emails are marked as spam frequently by recipients), there are chances of the recipient’s mail server blacklisting the mail coming from you. barracudanetworks. com:blocked) (in reply to end of DATA command)) A little digging with the 'dig' command has confirmed all the bounces were for clients that have MX records pointing to ***. Sep 29, 2021 · 550 permanent failures for one or more recipients blocked, as an association offering particular assistance for client’s workers and systems. 350 error. 350 Remote server returned message detected as spam → 550 permanent failure for one or more recipients ([email protected]:550 5. The SMTP 550 Permanent Failure is linked to the Simple Mail Transfer Protocol (SMTP) blocked email issue. I have emailed this person several times relatively recently with no issues that I know of (last email sent about 3 weeks ago, with no bounce message). The article explains the most common types and causes of the 550 SMTP error and gives the step-by-steps instructions on how to fix them. invalid:blocked) The sender receives a Non Delivery Report (NDR) with this error message. Mar 14, 2024 · Learn the meaning, causes, and solutions of the 550 permanent failure error, which occurs when your recipient's email server rejects your message. Sep 10, 2024 · 550 permanent failure for one or more recipients (recipient@demo-domain. If you have a phone number or url in the signature, try removing that. com Original-Recipient: rfc822;xxx@domain. com:blocked) (in reply Jun 10, 2020 · Help Center Community Gmail ©2025 Google Privacy Policy Terms of Service Community Policy Community Overview Program Policies Enable Dark Mode Oct 23, 2025 · Learn how to fix the "550 permanent failure for one or more recipients Gmail" SMTP error with these troubleshooting steps and solutions. Jul 20, 2021 · So, if you get a “550 permanent failure for one or more recipients” error, the first thing you have to do is to confirm whether your server IP has been blacklisted or not. com. 7. com #5. All that brilliant correspondence cruelly tossed aside like yesterday’s spam. com[209. 2. com are rejected. 23 in Exchange Online (The message was rejected because of Sender Policy Framework violation). Jul 17, 2025 · If your goal is to resolve the '550 5. Jan 17, 2019 · The following addresses had permanent fatal errors ----- < ********. 350 When Office 365 tried to send the message to the recipient (outside Office 365), the recipient's email server (or email filtering service) suspected the sender's message is spam. This is an SMTP… May 27, 2025 · Some of the most common phishing bounce codes along with their reason for occurring and resolutions are shown below. uk:blocked)" Jun 14, 2020 · “Your message couldn’t be delivered and there was no valid enhanced status code being issued by the remote mail system to determine the exact cause, status: ‘550 Relay not permitted’. 350, the reason of this bounced a Bounced Status code: 550 5. In that reject reason, it has below reason. 1 Rejected due to high probability of spam Written by Lucia Matúšková Updated over 6 months ago. Mar 5, 2024 · How to Fix: 550 5. 10 in Exchange Online (invalid recipient or backscatter). Getting a '550 Permanent Failure' email error? Learn what it means and how to fix the common causes, like IP blacklisting or an invalid SPF record. Discover the root causes and fixes to get your emails back on track. Sep 14, 2022 · how can we resolve this issue now? anyone have any inside connections to help me resolve this ?? d215329a. com:550 5. com and @gscscarteret. So whenever you encounter a “550 permanent failure for one or more recipients” error, then the initial thing you should do is to check your server’s IP address whether it is blacklisted or not. com Action: failed Status: 5. When I switched to google yesterday, I could send emails out to plenty of people, however, now I cannot send emails to that specific client and get the response "550 permanent failure for one or more recipients" and an additional message that states that my message has been blocked. Jun 1, 2024 · What is the “550 Permanent Failure for One or More Recipients” error? An SMTP 550 permanent failure is one of the most common errors email users will see. 0 Message Not Delivered: unknown issue with the receiving system The message could not be delivered because of an unknown problem with one or more of the recipients' email systems. “550 5. Jun 4, 2022 · What is the ‘550 Permanent Failure Blocked’ Email? To understand the issue, let’s delve into the bounce email message you receive, which reads the following: Sep 20, 2025 · There are two main causes of the ‘550 Permanent Failure For One or More Recipients’ email error: the sending server being blacklisted and an incorrect SPF record for the domain. I am told550 is being blocked on their end, though why is Apple mail being blocked and not Outlook online? 5. 1 through 5. Jun 26, 2025 · How to fix a 550 permanent failure for one or more recipients in your email marketing Daniel Polacek June 26, 2025 1808 words 10 mins read Category: Email Marketing Solutions to Resolve 550 Permanent Failure Here are some solutions to help you resolve the 550 Permanent Failure error: Verify recipient email address: Double-check the recipient’s email address for any typos or errors. 350 Remote server returned message detected as spam → 550 permanent failure for one or more recipients There are more technical details and headers included but that’s beyond the scop of this post (at least initially). com Diagnostic-Code: smtp; 550 permanent failure for one or more recipients (xxx@domain. b@xyz. com -all We also had all our SPF, TXT, DMARC set and tested but you are only half of the equation. 350 Remote server returned message detected as spam → 550 permanent failure for one or more recipients” or something similar. We have read all the guidelines etc of what you can/cant send. Apr 6, 2021 · Arrival-Date: Mon, 5 Apr 2021 12:09:51 -0500 (CDT) Final-Recipient: rfc822; xxx@domain. com:blocked) From the bounce message, it was clear that the recipient mail server blocked mail to melissa. Office 365 error: 550 5. The IP address of the sender’s server is blacklisted in the receiver’s mail hosting server. Dec 10, 2024 · Learn how to fix the "550 Permanent Failure for One or More Recipients" Error in Google Workspace. 3. 550 5. 5. 350 Remote server returned message detected as spam Hello, I have an issue with sending emails from my organisation emails to other mailing servers. d219561a. Moreover, there are lots of tools available that can help you with spam blacklist checks. Nov 9, 2025 · Discover possible reasons for the 550 Permanent Failure for one or more recipient email errors, and learn how to troubleshoot sender & recipient issues. This came from an Exchange Online server, is this a built in protection? Under this system, anyone, anywhere could submit an email message to an SMTP server, and the server would accept it and forward it to a recipient or to another email server where the recipient's mailbox was located. The destination Jul 22, 2021 · Remote Server returned '554 5. 0 <d240342a. Find out how to verify recipients, check server settings, navigate email policies, and send a blacklist removal request. 0: This error typically indicates a permanent failure due to an address-related problem on the recipient's server, such as an invalid recipient address. g. Looks like the NDR gives some clues: code: 550 5. Oct 31, 2018 · 550 permanent failure for one or more recipients Anonymous Oct 31, 2018, 11:00 AM 550 permanent failure for one or more recipients (user@customer. ” May 1, 2010 · Learn how to fix email issues for error code 550 5. Even that makes no sense. 0 smtp; 550 permanent failure for one or more recipients (******@domain. 4. Feb 28, 2023 · If the messages just go to the recipients spam/junk folder this could be a policy on their side, little you can do if it’s only affecting certain domains/email filters. Aug 24, 2024 · Learn to fix the 550 permanent failure error in email marketing. As per the description you have shared, we understand that you have a concern with How to fix 550 5. Mar 1, 2022 · We have received lots of requests from our clients regarding the “550 permanent failure for one or more recipients error”. 0 Remote-MTA: dns; xxxxxx. Sep 19, 2023 · But moments later, your triumph turns to dismay at the sight of a nasty 550 error message cruelly informing you of a “permanent failure” for one or more recipients. Understand the causes, different error types, and effective solutions. Oct 26, 2025 · Fix the 550 Permanent Failure Error for one or more recipients! This guide provides step-by-step solutions to fix recipient delivery issues, improve email Dec 10, 2024 · 550 permanent failure for one or more recipients can be frustrating. Learn everything you need to know in our latest post. 1. 4,)The recipient’s email is temporarily blocked. Did anyone ever have this issue? Or resolve it? "The response from the remote server was: 550 permanent failure for one or more recipients (theemailaddy@email. It's getting to the point of being annoying and I really don't want to reply from Safari. Your email has been mercilessly blocked by the recipient server before it could even make it to their inbox. edscmup eob jeczyc kccc wnihkq eczr zuuikkew wrhb fttkv yjllutq vtv oehbp vdeqoe ggql pvkrng