Re: Thunderbird / Dovecot TLS Problem
On Thu, 17 Mar 2022 15:05:42 +0800
Jeremy Ardley <jeremy@bronzemail.com> wrote:
> I've been using Thunderbird for years now but made some minor tweaks
> as I'm setting up an imap proxy for remote access to my
> debian/dovecot/postfix server.
>
> The issue is I changed the account settings in thunderbird to use
> STARTTLS and port 993. It now doesn't work. I see a connection in
> wireshark, but then nothing happens and dovecot logs no attempt to
> authenticate and it just times out.
>
> I also installed claws email (which I'm using for this email) It has
> the same settings and works flawlessly from the same client machine I
> use for thunderbird. I conclude there are no routing issues or
> firewall issues.
>
> So the question is what do I need to do to thunderbird to get it to
> work with dovecot TLS / 993 ?
>
> Thunderbird: 78.14.0(64 bit)
>
> dovecot --version
> 2.3.13 (89f716dc2)
>
> cat /etc/os-release
> PRETTY_NAME="Debian GNU/Linux 11 (bullseye)"
> NAME="Debian GNU/Linux"
> VERSION_ID="11"
> VERSION="11 (bullseye)"
> VERSION_CODENAME=bullseye
> ID=debian
> HOME_URL="https://www.debian.org/";
> SUPPORT_URL="https://www.debian.org/support";
> BUG_REPORT_URL="https://bugs.debian.org/";
>
> The only other perhaps relevant thing is I did a distro upgrade from
> 10 to 11 yesterday.
>
> Thanks in advance
>
> Jeremy
>
> P.S. claws is very snappy!
>
One further snippet is that I was using port 143 before, using STARTTLS
and it worked fine. I reverted the thunderbird connection and
thunderbird works again on port 143.
Claws works on both port 993 and 143 using STARTTLS.
Jeremy
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