<![CDATA[Error 553 Relaying Disallowed]]>Hello All!
Has anyone had any issues with getting bounce back messages on Error 553 Relaying Disallowed? Currently, we're trying to forward emails from a specific inbox (contact@domain.tld) to a external email address. We have a Forward rule in Roundcube setup to Redirect the message, but we're getting a bounce back with a 553 error.

Any suggestions or assistance with this would be greatly appreciated!

Thank you!

]]>https://forum.cloudron.io/topic/6372/error-553-relaying-disallowedRSS for NodeWed, 14 Oct 2026 17:03:40 GMTSun, 23 Jan 2022 18:32:36 GMT60<![CDATA[Reply to Error 553 Relaying Disallowed on Sun, 23 Jan 2022 19:13:37 GMT]]>@girish Yes, we are using them for transactional email. I'll go ahead and run this down with them. Your answer on Haraka helps out -- thank you so much!

]]>https://forum.cloudron.io/post/42282https://forum.cloudron.io/post/42282Sun, 23 Jan 2022 19:13:37 GMT<![CDATA[Reply to Error 553 Relaying Disallowed on Sun, 23 Jan 2022 19:07:38 GMT]]>@jlx89 Haraka does not use this error code, so I suspect this is coming from the other mail server. A quick search suggests this often comes from zoho servers. Are you forwarding to zoho? Maybe you can check what they expect?

]]>https://forum.cloudron.io/post/42281https://forum.cloudron.io/post/42281Sun, 23 Jan 2022 19:07:38 GMT