Smartermail error 550. May 14, 2013 · Hello all, I believe I have a simple issue and am ...

Smartermail error 550. May 14, 2013 · Hello all, I believe I have a simple issue and am unable to find the way to correct it I'm a relative novice so please direct me to the answers gently. 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. However, after creating a NEW user on v100. This header is checked by Anti-Spam services used by many providers, such as Google Mail, for validation. When sending an email from admin@yourdomain. Cannot Activate SmarterMail Cannot Add Attachments Using the SmarterMail Web Interface Cannot Delete Email Folder Cannot Receive Mail Messages Cannot Send Email Messages ClamAV 3310 Errors in Delivery Logs Common Email Delivery Errors Commonly used ports for SmarterMail Conference Room Conflicts and Resolution Apr 5, 2017 · 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" from your mail server. SmarterMail is setup as 'require SMTP authentication before relaying' email (I think Looking forward to your support and experience sharing. com via the relay server mx5. ebt. com (IP: 203. Oct 15, 2014 · Could not deliver message to the following recipient (s): Failed Recipient: Company@gmail. Jan 11, 2022 · Remote deliveries through the Incoming Gateways works as expected for previously EXISTING users. 45) to recipient@gmail. x - 15. But when I try to send an email from the site to a Gmail address, I get the following error: 550 Authentication is required for relay. 1 [203. Mar 6, 2024 · Why am I seeing “550 5. com, the email is marked as spam by Gmail with the error: 550 5. x There are multiple possible reasons why SmarterMail would be unable to send messages to external email addresses. g. com: 550 You have rights to send mail to local domains only ## -- The header and top 20 lines of the message follows -- Received: by mailw. Learn all you need to know about fixing it. x and earlier. If you don't want to authenticate, use the standard SMTP port 25. When you're away from home and send an email message using your home email account, your email message might be returned with a 550, 553, or relay-prohibited error message. 0. 1 command rejected” in my email error? When you send an email and receive 550 5. Apr 5, 2017 · Applies to SmarterMail 8. 26489 all external deliveries to that user through the Incoming Gateways bounce with rsp " 550 Relay Not Allowed ". This setting is found as the system admin under Settings | Protocol Settings | SMTP in tab and change the "Require Auth Match" to None. you'd need to connect from a private IP address, to an internal-only interface, to a private-only IP address Feb 11, 2026 · Fix 550 Permanent Failure Error Now! Say goodbye to email frustrations with our 2026 guide. 45 12] Gmail has detected that this message is 5. This is happening on multiple domains. 1 likely unsolicited mail. net via HTTP; Wed, 15 Oct 2014 15:22:38 -0500 From Nov 6, 2012 · I can send an email from the site to an internal email address that is set up in SmarterMail--in other words, to an address within the domain of our mail server. Jan 13, 2013 · View articles for SmarterMail 15. :) I have Plesk and SmarterMail running on a server. 1 command rejected it generally means your email gets rejected by the server you’re trying to send it to. com Reason: Remote host said: 550 --- The email was not delivered to the following addresses: Company@gmail. 7. Jan 13, 2013 · 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 email has not been authenticated with your username and password. Jan 30, 2024 · SMTP/MSA on port 587 is for the Mail Submission Agent role only. This article identifies the most common causes of failed outbound email delivery. Sep 2, 2025 · Error 550 – Variations and Solutions Below are ten examples of SMTP Error 550 messages, each with a brief explanation and a set of instructions on how to address the problem. Outgoing connections to port 25 blocked by a firewall The first and easiest thing to check is to make sure a firewall is not blocking outgoing connections on port 25 Mar 13, 2024 · Turns out the " 550 Relay is not allowed " we were receiving for all inbound email on our Incoming Gateways had to do with multiple left-over/orphaned cached files in the \SmarterMail\Service\Settings\SmartHostCaches\ folder that dated all the way back to 2019. 113. Regain control of your inbox effortlessly Nov 11, 2021 · Email error 550 is linked to the Simple Mail Transfer Protocol (SMTP). Client authentication is required at all times. There is a setting in SmarterMail that requires the authenticated email address to be the same as the from address. If you are having trouble receiving messages, please see our article, Cannot Receive Incoming Mail This will mean that outgoing messages will contain the message header called "x-smartermail-authenticateas" that demonstrates that the message sender was verified using SMTP Authentication (even if you are just using web-based mail). relayserver. Normally, the server will need some other way of trusting you when sending from a local email address, e. There are multiple possible reasons why SmarterMail would be unable to send messages to external email addresses. 8025. After stopping the service, deleting these cache files, and restarting the SM service, everything started working properly again. gdzmgfb tqgu gdr ddafuz hdyri vjgk eiswnn gpil jfjih lwnmi