[Users] recently occurring problems sending thru SMTP

[Paul]

On Mon, 2 Sep 2024 13:50:14 +0100
Dave Howorth <dave at howorth.org.uk> wrote: 

> I'm no expert but I think 143 is for IMAP *without* TLS
> 
> https://www.cloudflare.com/learning/email-security/smtp-port-25-587/
> 
> 993 is correct for encrypted IMAP.
> 
> 465 was previously used for SMTP but now it is 587.

Well, it depends on the server. I keep reading conflicting information for
mailbox.org, but I guess this is the definitive version (for now):

https://kb.mailbox.org/en/private/faq-article/setup-other-e-mail-clients-manually/

with regards

Paul