On 11/21/19 9:03 AM, Alex wrote:
I have a fedora30 desktop with Thunderbird 68.1.1 (64-bit), although
I'm not sure the version matters. It's configured to connect using
IMAP to a dovecot system also on fedora30.
The problem is that when Thunderbird is open on multiple computers
(the other is my Windows laptop), virtually every message received is
duplicated.
I'm not entirely surprised, considering two systems are competing for
the same connection. However, this doesn't happen with my K-9 client
on my phone with Thunderbird also open on my desktop.
Perhaps someone knows of a Thunderbird or dovecot setting that maybe
closes the connection when it's done updating, or some other
configuration option that prevents this?
Since you're using IMAP this should never happen. I have multiple
Thunderbird and K-9 connections to dovecot using the same account and
I've never seen this.
Does K-9 see the duplicate messages?
Do you have some sort of filtering either on the server or one of the
Thunderbird clients?
Check the headers of the duplicates. Do they have the same Message-ID?
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