Can't log in from Evolution or Roundcube

[Ken Wright]

On Fri, 2022-01-07 at 23:50 -0500, Dave McGuire wrote:
> On 1/7/22 11:46 PM, Ken Wright wrote:
> > When I try to log in to my mail server (ubuntu 20.04, Postfix
> > 3.4.13, Dovecot 2.3.7.2) I get a response saying "Source stream
> > returned no data”.  At least to me, that's not particularly
> > informative.  Is it any more informative to anyone else?
> 
>    The last time I hit that, I'm pretty sure it was because I was
> going to port 80 instead of port 443 to reach Roundcube.

I'm using port 143 for receiving and 587 for sending; I didn't think
443 was for email.  Am I mistaken?  (Not at all unlikely!)

Ken