5/28/2023 0 Comments Install Procmail Synology![]() A quick look at the support tickets we handle shows that 95% of ‘Relay Access Denied’ errors are caused by incorrect SMTP settings. But very often valid mail users forget to turn on authentication in their mail clients, and the MX rejects their mail.īobcares manages the website support of several businesses. If either one of these servers reject the mail, a Relay Access Denied error is shown to the sender.Įvery mail server requires its users to provide a username and password to send mails. Here, TWO servers are involved – Sender’s MX and Recipient’s MX. ![]() Then it’s RELAYED to the recipient’s MX, and from there to the recipient. When a mail is sent, it first goes to the sender’s mail server (aka MX). ![]() How we prevent this error in our customer’s (eg.‘554 5.7.1 : Relay access denied’ error means that either the sender has failed security checks or the recipient’s mail server is misconfigured, and today, we’ll take a look at: In our role as Website Support Specialists for online businesses, we resolve hundreds of email issues every day.Ī commonly encountered email bounce error faced by web hosts, website owners and server owners is:
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