User mail not working, preview-digest is ok?

Not sure where to look.

I noticed that new users can’t register (anymore). And a test mail is sent out, but not arriving?
But on the other hand, the preview-digest mail is working fine? So it means that my mail connection is working?

Started POST "/admin/email/test" for at 2020-04-13 18:33:01 +0000
Processing by Admin::EmailController#test as */*
  Parameters: {"email_address"=>"sabrina@xxxxxx"}
  Rendering layouts/email_template.html.erb
  Rendered layouts/email_template.html.erb (Duration: 1.5ms | Allocations: 327)
Delivered mail 6f8d0dd5-d824-4811-856e-bf2fa1d36fa4@ariel.xxxxx (249.5ms)
Completed 200 OK in 369ms (Views: 0.3ms | ActiveRecord: 0.0ms | Allocations: 26070)
Started GET "/admin/email/preview-digest.json?last_seen_at=2020-04-06&username=brononius" for at 2020-04-13 18:34:51 +0000
Processing by Admin::EmailController#preview_digest as JSON
  Parameters: {"last_seen_at"=>"2020-04-06", "username"=>"brononius"}
  Rendering user_notifications/digest.html.erb within layouts/email_template
  Rendered user_notifications/digest.html.erb within layouts/email_template (Duration: 61.9ms | Allocations: 10595)
  Rendering user_notifications/digest.text.erb
  Rendered user_notifications/digest.text.erb (Duration: 41.3ms | Allocations: 8241)
Completed 200 OK in 329ms (Views: 0.2ms | ActiveRecord: 0.0ms | Allocations: 104975)

Started GET "/admin/email.json" for at 2020-04-13 18:35:02 +0000
Processing by Admin::EmailController#index as JSON
Completed 200 OK in 9ms (Views: 0.2ms | ActiveRecord: 0.0ms | Allocations: 1033)

Check the logs on your email service.

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Sadly this is my internet provider (telenet BE). And I don’t have a clue where I could check these logs.

Then you’ll need to ask telenet BE or get another provider.


After rebuilding a lot of times, resetting the mailaccount, mail (=internet) provider not willing to help with debugging, I found an ‘command unrecognized’?
Is there somewhere a place where I can find more info about this (except my mail provider)?

> DISCOURSE DOCTOR wo apr 15 17:37:24 CEST 2020
OS: Linux ariel 5.3.0-46-generic #38-Ubuntu SMP Fri Mar 27 17:37:05 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
> Found containers/app.yml
> ==================== YML SETTINGS ====================
> ==================== DOCKER INFO ====================
> DOCKER VERSION: Docker version 18.04.0-ce, build 3d479c0> 
> DOCKER PROCESSES (docker ps -a)
> CONTAINER ID        IMAGE                 COMMAND             CREATED             STATUS              PORTS                                      NAMES
12036a91a16f        local_discourse/app   "/sbin/boot"        10 minutes ago      Up 10 minutes>80/tcp,>443/tcp   app
> Discourse container app is running
> ==================== PLUGINS ====================
          - git clone
> No non-official plugins detected.
> See for the official list.
> ========================================
>Discourse version at Discourse 2.5.0.beta2 
Discourse version at localhost: Discourse 2.5.0.beta2 
> ==================== MAIL TEST ====================
For a robust test, get an address from
Sending mail to REDACTED  . . 
Testing sending to using
======================================== ERROR ========================================
                                    UNEXPECTED ERROR
> 500 5.5.1 command unrecognized
> ====================================== SOLUTION =======================================
This is not a common error. No recommended solution exists!
> Please report the exact error message above to
(And a solution, if you find one!)
> =======================================================================================
> ==================== DONE! ====================

No. They are who to ask, it would seem.

A guess, and it’s only a guess, is that your credentials are wrong and they are pretending that if you don’t authenticate you they send a “command unrecognized”. Another guess is that they have some very-nonstandard SMTP server.

I just get it working, through another mail provider.

A bit strange that it’s not working anymore through telenet. This is an internet provider in Belgium with some millions of customer. You would assume they use the correct ‘settings’ for smtp.

And a thing I can’t understand, is why the digest mail was working, and the test mail not.

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