I deleted the certificate already, but I think it only uses that for imap/dovecot. I don't think it actually stores one for smtps (or am I not talking sense here).
Sent from my iPhone > On 10 Aug 2017, at 23:25, Joseph Tam <jtam.h...@gmail.com> wrote: > > >> On Thu, 10 Aug 2017, Larry Rosenman wrote: >> >> Which mail client on iOS? > > Sorry, maybe not iOS, but definitely MacOSX Mail app. > > Joseph Tam <jtam.h...@gmail.com>