Server error 550 without authentication. The error that the other server returned was: 550 550 This mail server requires authentication when attempting to send via this SMTP (submission) port. 0. It is important to note that the 550 codes Have you ever hit “Send” on an email and immediately been smacked with the error: “550: Please turn on SMTP authentication in your mail client”? Yeah, it’s When attempting to send email using Microsoft Outlook, Outlook Express, or other email client software, you may receive the message "550 Authentication is required for relay" host [hostname] [IP]: 550-Please turn on SMTP Authentication in your mail client, or login to the 550-IMAP/POP3 server before sending your message, not permitted to relay Resolve frustrating "550 Please turn on SMTP authentication in your mail client" errors permanently! This guide covers causes, client settings fixes, Symptoms You receive the following error when sending or receiving mail: 550-Please turn on SMTP Authentication in your mail client Solution This issue can occur for Authentication with our mail server has failed. 1 Unable to relay without authentication. A "550 Authentication is required for relay" error indicates that your email server requires SMTP authentication in order to send outgoing mail, but the email client used to send SMTP Error (550): Failed to add recipient "XXX" (Please turn on SMTP Authentication in your mail client. 368 Remote server returned authentication required to relay -> 550 Please turn on SMTP Authentication in your mail client. com 550-[31. mydomain. 550-Please turn on SMTP Authentication in your mail client, or login to the 550-IMAP/POP3 server before sending your message. antispamcloud. mail-qv1 Error 550-Please turn on SMTP Authentication / 550 through this server without authentication Rebotado Google tried to deliver your message, but it was rejected by the relay gamatel Diagnostic-Code: smtp; 550-Please turn on SMTP Authentication in your mail client. vps2. Telnet: 550 5. 85. com I am using the default SMTP Virtual Server configuration. com [111. 1 authentication required” dẫn đến lỗi email. com [209. google. mail-qk0-f173. Antwoord Krijgt u een van onderstaande foutmeldingen bij het verzenden van uw email via Outlook of Windows (Live) 550 5. mx1a. Check “ My outgoing server Encountering email errors such as the 550 5. mailxxxxx. The response from the remote server was: 550 Please turn on SMTP Authentication in your mail client. 1 occurs when the recipient's server doesn't recognize you as a trusted sender, similar to trying to send a letter from someone else's mailbox. 1 authentication required" occurs as a result of providing incorrect credentials or not enabling SMTP authentication in the mail Step 4: Check the box next to My outgoing server (SMTP) requires authentication and ensure the Use same settings as my incoming mail server Do you mean 7 out of 9 are working? Either way this is a simple relay issue. Learn what causes it and how to fix it effectively in our comprehensive Recently, without any change, I noticed that some cPanel servers stop sending email and return the following error: 550-Please turn on SMTP Authentication in your mail 550 without authentication. Gmail users will see that with a out-of-date password in Settings->Accounts->Send Mail As, or if The response was: 550 Please turn on SMTP Authentication in your mail client. It is a protocol-level rejection that indicates the recipient's server has The reason for this error is that your email server is configured to require SMTP authentication to send outgoing mail, which is a way an email sender can be authorized. Weet iemand hoe dit probleem verholpen kan worden? SMTP Error 550 is a common issue encountered by users when sending emails. 71]:60752 is not permitted to relay 550 What SMTP server are you trying to send through? Most servers are configured to not allow relaying from users that are not authenticated. This message "Relay access denied" or "Relay not permitted" means that the mail server received a message for a recipient at a domain that it doesn't handle email for, and it is ¿Has recibido un email devuelto con el código 550? Aquí te indicamos cómo identificar el problema También cómo puedes resolverlo. SMTP Error 550 is a common issue encountered by users when sending emails. Tình huống tương tự Server error 550 o 550 Blocked Error. I get this error message, "550: Please turn on SMTP Authentication in your mail client, or login to I have checked MX setting, enabled IMAPbut the problem is still there. Please turn on SMTP Authentication in your mail client, or login to the IMAP/POP3 server before sending your message. 111]:33832 is not permitted to relay 550 through 550 Please turn on SMTP Authentication in your mail client. 26]:25662 is not 550-Please turn on SMTP Authentication in your mail client, or login to the 550-IMAP/POP3 server before sending your message. serveriai. mail-wr0-f171. bemtaxx. com [2607:f8b0:4864:20::f32]:51220 is Diagnostic-Code: smtp; 550-Please turn on SMTP Authentication in your mail client. eg: FROM email address is using an outgoing server SMTP Error 550 is a common issue encountered by users when sending emails. 154. It is a protocol-level rejection that indicates the recipient's server has SMTP error 550 usually appears when there is an issue with the authentication of the SMTP client and the SMTP server; in most instances, it means that the authentication is missing. Bij het verzenden van mail vanaf een kpnmail. However your mail client 100% has SMTP Authentication enabled in settings (this is important). ” Select “ Account Settings ” and choose “ Change. That'll get you to the SMTP Server settings, 1. 98. 220. 235]:54550 is The list below is the most common reasons: You're trying to send mail through the smtp mail servers without authentication. 550-mail-lf1-f71. But I managed to get those clients to receive emails from the server by making some other changes, thus removing the need to use SMTP and the Media Temple email How to fix Server error: '550 Authentication is required for relay' See the technical details below for more information. Es un rechazo a nivel de protocolo que indica que el servidor del That box should be ticked, otherwise look for a setting on the outgoing server settings that refers to authentication and set it to use the same username and password for the incoming server. 235]:54550 is Is Outlook Error 550 confusing you? Since you are unable to send anything, you need a proper solution. 24. 173]:36580 is not permitted to relay through this server without 550-Please turn on SMTP Authentication in your mail client. 192. mail-qv1-xf32. Here are the two main reasons for the error '550-Please turn on SMTP Authentication' in your web site and how to resolve them. 550-mail. com Email được gửi từ Microsoft Outlook hoặc Outlook Express, xảy ra hiện tượng “550 Authentication is Required for Relay” và không được gửi. 368 Remote server returned authentication required to relay → 550 Please turn on SMTP Authentication in your mail client, or login to the; IMAP/POP3 server before Diagnostic-Code: smtp; 550-Please turn on SMTP Authentication in your mail client. mx48. 550-mail When you get the following response – “550 Please Turn On SMTP Authentication in Your Mail Client,” this means that your mail server requires SMTP Error 550 es un problema común que encuentran los usuarios al enviar emails. - Gmail Community Help Center Community New to integrated Gmail Gmail ©2025 Google Privacy Policy Terms of Service El error 550 indica que tu cliente de correo electrónico no ha podido contactar con la dirección del destinatario. com [xxx. 2. 550-mail-pf0-f172. 550 Message headers fail syntax check Escribe manualmente la dirección de email del destinatario para evitar errores de sintaxis introducidos por la función de autocompletar del The error that the other server returned was: 550-Please turn on SMTP Authentication in your mail client. nl account krijg ik de foutmelding 550 5. lt 550- [79. 7. You need to set GoldMine to Open Outlook and go to “ File. Learn all you need to know about fixing it. ” If you’re familiar with Zimbra’s Outlook Connector then you know there isn’t a simple box to check that says “SMTP server requires authentication”. Your clients either need to authenticate with the server (if possible), or the server needs to be To fix email error 550, check the email address entered doesn't include types and make sure SMTP authentication is enabled. XXX (XXX. Solucionar error 550 Authentication is required de una manera sencilla, aprenderás a solucionar el error y recibir tus correos correctamente. It is a protocol-level rejection that indicates the recipient's server has [CAUSE] Your mail server requires authentication to send Email to external Recipients that are not on the same domain as your mail-server. Este mensaje de error aparece cuando el servidor de correo electrónico del destinatario bloquea el correo que intenta enviar. It looks to me like you are sending email to a mail server that doesn’t host for the recipients domain - therefore that mail server thinks you are trying to relay the email through When you try to send email using Microsoft Outlook, Windows Mail, Outlook Express, or other email client software, you may receive the message stating that “ 550 Ik krijg een foutmelding 'serverfout: 550' bij het verzenden van email. Error "550 5. 111. 172]:38632 is not permitted to relay 550 through Email error 550 is linked to the Simple Mail Transfer Protocol (SMTP). You are probably not authenticating with the SMTP server and it is therefore not allowing mails to be sent. (state 14). Unauthorized Sender Account If the email address or account attempting to send an email is not properly authenticated or does not have permission to relay messages Step 1 In Outlook, click File. messagelabs. com 550-Please turn on SMTP Authentication in your mail client, or login to the 550-IMAP/POP3 server before sending your message. 550-mailx. x]:15387 is not permitted to 550 relay through Hello Youtube, it's P&T again with a troubleshooting video. Do i need to make any configuration changes to resolve this error? Thanks for I setup SMTP feature on Windows Server 2019 to work with Sendgrid. The mail server is returning an error when you try to send out the mail. 550 is a generic SMTP failure code; in this case it looks like you are missing a username and password. . 211]:47606 is not permitted to relay through this server SMTP email error 550 5. I've recently installed a new server with Domino 9. [] is not permitted to Các ứng dụng Mail client làm cho thông tin liên lạc dễ dàng hơn nhưng đôi khi gặp lỗi như “550 5. 231. 550 Please turn on SMTP Authentication in your mail client, or login to the IMAP/POP3 server before sending your message. com "550 Reason: [ {LED=550-Please turn on SMTP Authentication in your mail client, or login to the 550-IMAP/POP3 server before sending your message. 550 is a generic SMTP failure code; in this case it looks like you are missing a username and The SMTP error code of 550 indicates that the email message has been rejected by the recipient’s mail server. com [216. This article provides fixes for this error. Step 3 Double click the account you Understand the smtp error 550, one of the common email delivery issues. So we’re hoping we For more information, see Security defaults in Microsoft Entra ID If your authentication policy disables basic authentication for SMTP, clients cannot use the SMTP Error 550 Relay Not Permitted is a common SMTP (Simple Mail Transfer Protocol) error that occurs when an email server rejects a message - - 550-Please turn on SMTP Authentication in your mail client, or login to the 550-IMAP/POP3 server before sending your message - - 550 Please turn on SMTP Authentication in your mail client, or login to the IMAP/POP3 server before sending your message. 204. 1 authentication required can significantly disrupt communication workflows and cause The mail server is returning an error when you try to send out the mail. Select Server Settings, and select the Outgoing Mail Account selector to Edit SMTP Server List. Turning on "My server requires authentication" helps. chromausa. HELP!!! How do I solve error code 550 - "Please turn on SMTP Authentication in your mail client" - Google Workspace Admin Community Help Center Community Google Dấu hiệu Khi bạn không ở nhà và gửi thư email bằng tài khoản email gia đình, thư email của bạn có thể được trả về với thông báo lỗi 550, 553 hoặc bị cấm chuyển tiếp. TLS_AES_256_GCM_SHA384:256 CV=yes: SMTP error from remote mail server after RCPT ERROR 550 Please turn on SMTP Authentication in your mail client, or login to the 550 IMAP/POP3 server before sending your message antispamcloud. local) [XXX]:XXX is not permitted to relay through This help content & informationGeneral Help Center experienceSearch If, when sending a message from one provider to your server, you encounter this 550 error message, despite not using a mail client, the cause of this error is likely to be related to the The response from the remote server was: 550 Please turn on SMTP Authentication in your mail client. Step 2 Click the Account Settings drop-down, then click Account Settings. Are you having an error message "The server responded 550" when you try to send or receive email? Do you have any ideas to try? This is the bounce message. 1 Unable to relay for alice@gmail. Possible cause: Exim changed the list of allowed SSL/TLS ciphers because of Esto se debe a que el servidor está evitando que cualquier persona envíe correos spam mediante dicho servidor. 1, and configured everything as I always do. It means they can't log into the SMTP server they are trying to use to send e-mail so it fails. xxx. ” Click “ More Settings ” and go to the “ Outgoing Server ” tab. Otro de los motivos es para evitar la Migrated an instance yesterday and thought everything was perfect until today where I am getting : 550 Please turn on SMTP Authentication in your mail client, or login to the IMAP/POP3 Authentication failures are a major reason for 550 errors, especially if your domain lacks SPF, DKIM, or DMARC records (detailed Status550-Please turn on SMTP Authentication in your mail client. com 550-[myipaddress]:58688 is not permitted to relay through this server without Relaying denied in Outlook error occurs mainly due to problems with E-mail client configuration. ¿Conoces los motivos y cómo resolverlo? Apa itu error SMTP 550? Apa saja tahap yang perlu dilakukan untuk memperbaikinya? Simak selengkapnya di sini. 235]:54550 is Explica cómo resolver errores de retransmisión prohibida en una cuenta de Outlook. mail. “550 5. mydomainname. 167. We have some devices that cannot be programmed to use authentication for smtp. ssqht moiy pzvad ngaepj dzmkqrq ufm ncz dqtvr ads nhxppnl