[Users] recently occurring problems sending thru SMTP

[Paul]

On Mon, 2 Sep 2024 17:36:04 +1000 (AEST)
Raif Naffah via Users <users at lists.claws-mail.org> wrote: 

> the port numbers reported + used are as per provider's config --see [1].
> 
> trying now w/ suggested numbers give the same unsuccessful result and same
> network log and journalctl messages as reported earlier.
> 
> [1]
> https://kb.mailbox.org/en/private/faq-article/setup-other-e-mail-clients-manually/

And I guess you tried SMTP with STARTTLS with port 587 too? 

with regards

Paul