Thunderbird uploads mail from POP-server twice once in a while

Bug #226863 reported by Toni Honkala on 2008-05-05
Affects Status Importance Assigned to Milestone
thunderbird (Ubuntu)

Bug Description

Binary package hint: thunderbird

Thunderbird bug report

1) ubuntu 7.10
3) I expected the mail once loaded to both remain in POP-mail server and in local machine.
4) Instead, once in a while Thunderbird uploads mail from POP-server anew. Thus, I'll have mail doubled in my Inbox. This has happened already with previous Thunderbird versions since the beginning February 2008 approximately 6 times.

ProblemType: Bug
Architecture: i386
Date: Mon May 5 14:31:49 2008

DistroRelease: Ubuntu 7.10
Package: mozilla-thunderbird None [modified: /var/lib/dpkg/info/mozilla-thunderbird.list]
PackageArchitecture: all
SourcePackage: thunderbird
Uname: Linux ToniH-selko-e 2.6.22-14-generic #1 SMP Tue Feb 12 07:42:25 UTC 2008 i686 GNU/Linux

Philipp Kohlbecher (xt28) wrote :

Does this happen during a single download or with multiple downloads, i.e. does Thunderbird just download two copies of a message or does it download a second copy of a previously downloaded message at a later time?

If you are complaining about the latter issue, I can confirm that behavior. I am not sure, though, if this is a Thunderbird bug. For me, this only happened when the mail server changed the unique-ids (UID) of the messages. Thunderbird uses these unique-ids to determine which messages it has already downloaded. They are supposed to be persistent across sessions (cf. RFC 1939). Thus, downloading these messages again after the server illegally changed their UIDs might not qualify as a Thunderbird bug.

To check whether you are experiencing the same issue, view the message source for two such identical messages and see whether the line beginning "X-UIDL" contains the same value for both of them.

Is this bug still happening to you? Thank you for telling us!

Changed in thunderbird (Ubuntu):
status: New → Incomplete
Launchpad Janitor (janitor) wrote :

[Expired for thunderbird (Ubuntu) because there has been no activity for 60 days.]

Changed in thunderbird (Ubuntu):
status: Incomplete → Expired
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