Re: IMAP vs POP was Thunderbird vs Claws Mail

[David Wright <deblis@lionunicorn.co.uk>]

On Sun 19 Nov 2023 at 04:29:57 (+0000), Tim Woodall wrote:
> On Sat, 18 Nov 2023, Joe wrote:
> 
> > If this area is likely to be the issue, try telnet to the IMAP server
> > using port 143, you should get back a list of capabilities which may
> > help. Oddly, though I'm using port 993 to my local server, it does not
> > return any information from that port, only on 143. Presumably this is
> > to assist security.
> 
> I'd assume you need to use something like openssl s_client rather than
> telnet to port 993.

Sure, but you still need to know what to type (assuming that's what
you do), because it just sits there rather than blurting it all out:

  $ openssl s_client -starttls imap -crlf -connect lionunicorn.co.uk:993
  CONNECTED(00000003)

and nothing happens until:

^C
130 $ 

OTOH, openssl to port 143 is a bit more informative.

Cheers,
David.