IMAP && Server certificate has expired

[Herbert J. Skuhra]

On Sun, 31 May 2020 20:08:22 +0200, Matthias Apitz wrote:
> 
> El día domingo, mayo 31, 2020 a las 06:11:44p. m. +0100, Ottavio Caruso via freebsd-questions escribió:
> 
> > On Sun, 31 May 2020 at 17:10, Matthias Apitz <guru at unixarea.de> wrote:
> > >
> > >
> > >
> > >
> > > Hello,
> > >
> > > When I connect with the MUA mutt directly with IMAP to my ISP with:
> > >
> > > $ mutt -f imap://imap.1blu.de:143/
> > >
> > 
> > Have you tried port 993?
> 
> $ mutt -f imaps//imap.1blu.de:993/
> 
> gives the same problem: Server certificate has expired
> 
> There is some rumor that other systems are effected also:
> 
> https://support.sectigo.com/articles/Knowledge/Sectigo-AddTrust-External-CA-Root-Expiring-May-30-2020
> 
> but I don't know if I've to fix this locally or the ISP.

Do you use libressl?

openssl: Verify return code: 0 (ok)
libressl: Verify return code: 10 (certificate has expired)

--
Herbert