Re: TLS negotiation fails... only over 3/4/5G?

Geoff Winkless <[email protected]>
Newsgroups gmane.mail.imap.cyrus
Message-ID <CAEzk6fcD02kQoMxj_DSrxdB7g2k1+eXayaZabVTuL72tZR9OXA@mail.gmail.com>
On Wed, 28 Jun 2023 at 01:54, <[email protected]> wrote:
> I noticed my Android phone seems to often be unable to get new mail when I'm not on wifi. I decided to test this and when I attempt refresh over 5G it seems I usually get:
>
> 2023-06-28T00:42:50.801242+00:00 virt cyrus/imaps[331595]: inittls: Loading hard-coded DH parameters
> 2023-06-28T00:42:50.808370+00:00 virt cyrus/imaps[331595]: imaps TLS negotiation failed: [172.58.88.7]

Do you get the same issue using port 143 with STARTTLS? I wonder if
there's some weirdness with the mobile network using transparent
proxying. Does it happen on all mobile networks?

What client are you using on Android? Does k-9 exhibit the same issue?

Geoff

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