On Thu, 17 Mar 2022 15:05:42 +0800 Jeremy Ardley <jer...@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
