Unable to add additional email or change email on account

[kenkendk]

I have a user trying to change their email address on the account, and they never see a verification email. I have no issues with general emails being sent and have regular inflow of users signing up, so email is clearly working, but not for this one case.

If I try to add a new email, I get this screen:

And I can see the pending one on my profile:

However, no email is recorded in the email logs, and no information is logged in the Discourse logs. I checked the email provider as well and no emails appear to hit that either. If I repeat adding the same email, I get multiple entries but never any emails sent.

If I do the same on this forum (the meta-one) it works as expected and I see get the email.

So apparently some setting is incorrect in my instance. Any clues as to why this would happen?

[Moin]

Is must approve users enabled on your site? It reminds me of Should a deactivated user receive an email? - #7 by Moin

But I tried and it doesn’t seem to be a problem when I try to change my email address

[kenkendk]

Thanks for the reply.

No it is open for public signup and that part works fine with emails as well.

[sam (Sam Saffron)]

Is there anything in the console (HTTP network errors) when they click the button? Is it making a request to Discourse?

[kenkendk]

@sam yes, I see a POST to /u/<username>/preferences/email with form-data and the new email in the form. The response is a 200 with no body data.

Is there some deeper debugging I can enable that could reveal where the request is stuck?

EDIT: It appears that this is caused by DigitalOcean now blocking port 587.