Basically, I am facing the same issue as described here: https://meta.discourse.org/t/job-exception-535-authentication-failed/172537 For some reason our E-Mail outbound does not work anymore and I get now an error 535. I rechecked the E-Mail account. I can login there and use it from Apple Mail. SM…

maybe have a look here? [image] Troubleshoot email on a new Discourse install Self-Hosting You just installed Discourse via the install guide , but email doesn’t seem to work. Unfortunately this means you can’t log in as an admin to finalize the install. cry Le…

Yes, I did. But the error preserves. Is there anything else, we could try? Any help would be appreciated.

Do you have a copy of the error with more detail in? From a search, you could try checking and re-entering your credentials in your app.yml.

Unfortunately, I don’t know how to retrieve more detail here. Is there any option to enable more debug information in that case? On the command line there is no context. The error appears in the UI.

Isn’t there something like verbose debugging output?

What other information would help? The remote server is telling you authentication failed. There’s not a lot more we can say. Do you have 2FA or MFA turned on for this mail account? This might prevent SMTP AUTH from working. If not, can you try SMTP by hand to see if the authentication works? You…

In my case, it did not like my password and I needed to reset it to something alphanumeric (no special chars).

ERROR – 535 auth failure

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Lilly (Lillian ) August 4, 2023, 1:56pm 2

maybe have a look here?

Topic		Replies	Views
Unable to send mails using Discourse Self-hosting email	2	1369	October 10, 2016
SMTPAuthenticationError: 535 Incorrect authentication data Self-hosting	3	1186	November 8, 2021
Email auth problem Self-hosting	2	624	December 30, 2018
Issues with unauthenticated SMTP server on new install Self-hosting	6	4378	October 15, 2015
SMTP do not work Self-hosting	3	1365	April 3, 2021

ERROR – 535 auth failure

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