For a classic account of the way it works see the thread "Hotmail account - inbox emptyed after using webmail exstension"
On Oct 17, 8:53 pm, alanrf <[email protected]> wrote: > Sorry to report that the suggestions made by KE4AVB have nothing to do > with the way things really work (sorry KE4AVB - this is absolutely not > personal but it is technical). > > The decision on which messages to download are not made by these > extensions in any way at all. The decision on which messages to > download are made entirely by the main Thunderbird program. > > This is how it works. Every time Thunderbird contacts the mail server > its first task is to get a list of every email message held on the > server. These extensions act as a POP server. So the extension gives > to Thunderbird a list of every single email message held on the > server. If you keep your messages on the server then Thunderbird will > have saved the list it got last time (it is called the popstate.dat > file for each POP account). Thunderbird compares the two lists and > for every email it thinkls it has not seen before Thunderbird will ask > for the message to be downloaded. When all the messages have been > downloaded and moved to the Inbox on Thunderbird then Thunderbird will > store the new list (I am leaving out some housekeeping like dealing > with deleted messages but they are not totally relevant at the > moment). The important point to note is that if you terminate > Thunderbird before it has a chance to complete and store the new list > then next time round it will not recognize that *some* messages were > downloaded and start over from the earlier point again. > > There is one other more severe condition. If the extension has a > significant problem with the server it can return to Thunderbird a > "null" or empty list. Thunderbird will store that. Next time you > connect to the server successfully and get a good list of the messages > Thunderbird will think that every message is new and will download the > whole of the server's mail contents again. > > To the original poster - there are, you know, valuable add-ons to > delete double downloads but you are knowledgeable to beware of the > issue of the undesirable deletion issue. If you plan to use the value > of duplicate deletion then you should temporarily change your option > in Thunderbird to "leave messages on the server" while you use the > extension. I do not know of an add-on that avoids this > need. > > On Oct 17, 4:24 pm, KE4AVB <[email protected]> wrote: > > > It could been a server when down and MS restored the data from a > > backup and some of your emails may have not been read before that > > particular back was made. Every once a while I get a few old emails > > download again. Hotmail accounts sometimes develop errors and are fix > > without you knowing it as it may be affecting more than one person. > > Keep receiving your emails and if the dupes are constant then there > > maybe problem with webmail addon; otherwise, it may have been failure > > on MS side. > > > If I remember correctly there is several add-ons for removing the > > duplicates. Search Thunderbird Extensions for the one you like to try. > > > Eugene > > > On Oct 17, 4:31 am, WINUX <[email protected]> wrote: > > > > Hi all > > > > All of a sudden today, Thunderbird was retrieving my mails again. So > > > now I have alot of messages double and I don't want to delete the > > > doubles as it would probably get my messages deleted from the hotmail > > > server. For a few weeks it did work correct. > > > I use the beta 1.2.25b2 older versions where not working. > > > > Does anyone has an explanation for this? > > > > Thanks in advance --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Thunderbird Webmail Extension" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/thunderbird-webmail-extension?hl=en -~----------~----~----~----~------~----~------~--~---
