7/22/2023 0 Comments Drupal vm solar![]() ![]() In our Website Support Services, we prevent upgrade errors or config issues by testing the upgrades in a test environment first, verifying for config conflicts and rigorously testing features post-upgrade.Ģ. Such failures in mail server capabilities often happen as a result of mail software upgrades or operating system upgrades. smtpd_recipient_restrictions = permit_sasl_authenticated If this is disabled in the configuration file, all the users will receive “ 554 5.7.1 : Relay access denied“. So, if we notice ALL of the mail server users getting this error, we immediately check the user authentication settings of mail server.įor example, in Postfix mail server, the below setting enables SMTP authentication. User authentication system could be brokenĪll modern mail servers have a way to authenticate a user before it accepts a mail to be sent. Here are a few reasons we’ve noticed, and how we resolve them:ġ. It looks something like this: Jan 23 03:10:57 mysev postfix/smtpd: NOQUEUE: reject: RCPT from : 554 5.7.1 : Relay access denied from= to= proto=ESMTP helo= In either case, we’ve seen the error recorded in mail server logs. When mails from a remote domain is rejected by the server, and mail users report it to the server owner.When a mail user tries to send a mail, and gets a bounce.Here at Bobcares, our engineers act as the Website Support Team of web hosts, VPS hosts and dedicated server providers. These server owners see “Relay Access Denied” error in two situations: How we resolve the error for server owners If mails to only a couple of recipient addresses are bouncing, the issue might be specific to those accounts. Pro Tip : If mails to several mail servers are bouncing, the mail server’s configuration could be incorrect. So, if a website owner has started seeing these errors after a recent config change, or migration, or new server setup, we check the MX configuration of the domain and resolve any errors in that. The mail delivery will be attempted again later. 454 4.7.1 Relay Access Denied – This error is seen in server logs when the recipient server is temporarily unable to accept mails.554 5.7.1 Relay Access Denied – The recipient’s mail server logs show this error when a mail is rejected. ![]() We’ve seen two variations of this error in web hosting servers:
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