Using "Leave messages on server" on a HP OpenMail-server (pop3) reloads all mails everytime I click "Get new mail" causing loads of duplicates. It works fine with my @home.se account though (They are using sendmail/qpopper I think)... The same problem is in Netscape Mail v7.73.. KMail works fine though! ;-) I'm using build 2000081020.

I assume you mean netscape 4.73, not 7.73. If the problem happens with 4.73 as well, my guess is that the pop3 server in question doesn't support UIDL, which we require to do delete on server.

bienvenu - what happens now? Are you going to investigate this further, or make Moz pop up a "Your mail server is pants" error message, or what? Gerv

Probably wait for the guy who knows about this code to come back from vacation.

Are we still seeing this on the latest builds?

As David mentioned, if the pop3 server doesn't support UIDL extension then it won't work. Per, can you attach Pop3 client log so I can verify it?

reassigning jefft's bugs to naving

setting bug status to New

I have exactly the same effect with my POP3 account on Exchange Server (5.5 SP5). Leave messages on server = true, Delete megs from server = fals.e A lot of duplicates (makes me sick ;-)) Testet with Outlook XP via POP3 -- works fine (no duplicates downloaded). It makes me sure thet it's not the POP3 server to blame but the mail client i.e. Mozilla Mail. Please fix it soon ;-))

I have this same basic problem. If I select leave messages on server, and then select "do not delete", download mail off the pop server, and then delete them only in Mozilla mail, they eventually get redownloaded. I'm running Windows 2000 Server, by the way. I don't have this problem with Outlook Express, Outlook, nor Eudora.

Tried this on Mozilla 1.1 and just tried it on mozilla 1.2a . It still happens. Every mail every time. Tried this on outlook express and it's not a problem. SO while this may be a pop3 server problem it's a problem that those folks in redmonded worked around. I'm getting this on Win XP. Not sure what the server is but it gives the following string when I connect (with telnet). OK POP3 server ready (6.5.029). Hope this helps.

can we get a pop3 protocol log from someone who is seeing this problem? That would help a lot. http://www.mozilla.org/quality/mailnews/mail-troubleshoot.html#imap

As far as I could determine... This could only be reproduced on a 1.2a upgraded system (the mail accounts were added on mozilla 1.1 (or 1.0) then 1.2a was installed. When I remove all the mail accounts and then re-add them this bug can no longer be reproduced. Futher I think that the issues was to do with the directories being used for each pop3 account and that different accounts were using different matching algorithms (some servers provided UIDL (or some such header) while others were doing a message ID match. I think the problem was occuring because different accounts were shareing a popmail box folder and using the wrong algorithm for checking if mails had been downloaded. Of course this is a guess from my examination of the details (which was a month ago now and so it's a bit hazy). Of one thing I am certain - I can no longer repro this bug. My solution was to remove all mail accounts and re-add them. If I can help further - drop me a mail !

*** Bug 150125 has been marked as a duplicate of this bug. ***

I have the same problem using Mozilla 1.2.1 under WinXP. Actually, I never saw a Mozilla MailNews Client doing this right. Settings: "Leave messages on server" and "Delete messages on server when they are deleted or moved from Inbox" are both *on*. It is absolutly reproducable, that MailNews never deletes the Messages from the Server. Never. Even not, if they are deleted (from trash). Sometimes it even downloads the messages multiple times. So I have two or more copies of a message in my Inbox. This is really annoying. The mail notification box is *always* telling me the TOTAL number of messages I have on the server: "You have 282 new messages." Thats fun! Especially for the guys looking at my monitor... In most cases MailNews downloads only the newest messages. Sometimes it downloads messages multiple times (like mentioned above). But I never saw it multi-download messages from last week or so. Only the newest messages from the last night. I created a pop3 protocol log for this (see above): 1. My Inbox on the server was totally empty. 2. DebugLog starts here --- Started MailNews. POP'ed it. No messages. Ok. 3. Sent myself an email using a freemail account. 4. POP'ed again. Got one mail. Ok. 5. Deleted this mail. Emptied Trash. 6. POP'ed again. No new messages. Fine. 7. Closed MailNews. --- DebugLog ends here. 8. Look into the Inbox on the server using mutt. The message was not deleted. I sent myself some more messages after this. Deleted them locally. POP'ed again. And so on. They have never been deleted from the server. Til now, I did not get any duplicates. But they will come again once the Inbox on the server is big enough. Hope, I could help you. Don't hesitate to ask for more information. Ciao.Tino.

Sorry, did I mention, that it worked with Eudora 5.1? No, I did not mention it. Well: It worked with Eudora 5.1 (same Server, same Settings). Anyway, I will not go back to Eudora. MailNews is ways better. But this f*** bug annoys me. Ciao.Tino.

Tino, from the log, your pop3 server doesn't support UIDL or XLST, so we can't implement POP3 Leave on Server. You have Eudora configured to leave messages on server and delete messages when you delete them locally? I guess it must be using the Message-ID to do this, though I'm not a POP3 expert by any stretch of the imagination. Does Eudora have any kind of logging capability so we could see what it's doing?

Yes, I configuered Eudora exactly this way. I doubt that Eudora has a logging capability and actually I deinstalled it - because of Mozilla MailNews... ;-) But I had the strange feeling, that Eudora downloaded every time all messages from the server to compare them to the existing local messages - regardless whether they have been in the Inbox or a subfolder. I think this, because Eudora needed more time the more messages had been on the server. And: It is the same with Mozilla MailNews. Although it is slightly faster, it needs more time if the server holds a bunch of messages. A look at the DebugLog (not only the one I uploaded here, but also other ones) showed, that MailNews is doing the same. I downloads every message - not only the headers, but also the bodies. At least in my case with a server, that does not support UIDLs etc. Now I think: If MailNews is doing this, it *could* exactly match whether a mail has been deleted or is still present. And tell the server to delete or keep it. Right?

mass re-assign.

I moved from Netscape Communicator to Mozilla 1.4. Now Mozilla mail always gets all mails in the set interval of ten minutes. After the lunch break I had several thousand mails in my inbox. Removing and reinstalling the account didn't help. This is a really anoying bug because it worked with Communicator.

Christoph, can you attach a pop3 protocol log by following these instructions? http://www.mozilla.org/quality/mailnews/mail-troubleshoot.html#imap if your server doesn't support UIDL, you would need to turn off POP3 leave on server.

sorry for the spam. making bugzilla reflect reality as I'm not working on these bugs. filter on FOOBARCHEESE to remove these in bulk.

I assume this bug is WFM by now? No reports in ~5 years...

(In reply to Magnus Melin from comment #23) > I assume this bug is WFM by now? No reports in ~5 years... hard to say