Nobody knows how to fix this matter? I had this trouble since beginning of December 2014 and not a single solution has shown yet.

Is there any technician from TB reading these questions or I am completely on my own when using Thunderbird? Hey, Mozilla! Is this the kind of service your software has? Do I have to give up and go to Eudora or other mail client?

http://kb.mozillazine.org/New_mail_goes_to_trash_folder

Dear Finitarry:

Thanks for the answer! But after I compacted all the folders and set the automatic compaction to 5 MB TB kept doing the same thing. Do you think I could uninstall TB and reinstall it new from the Mozilla website without losing my current contacts/emails and my saved messages, to see if the new software would fix the problem?

I'm exhausted trying to find a solution to this subject! Taruno

Did you set the junk processing to delete rather than move to Junk? If so, change that so that junk goes to Junk. Possibly you need to train the junk filter. If messages get moved to Junk incorrectly, mark them as Not Junk, and they should move back to the inbox. Keep training the junk filter, and eventually it should get to where it is identifying junk correctly.

Thanks, Finitarry, but TB is sending my Inbox email to TRASH, not to Junk. What do you think about uninstalling TB and download and install it again?

Thanks for your suggestion; at least I got somebody's shoulder to do my crying!  :-)

Taruno

But have you set the junk to be deleted instead of going to Junk? That is one reason why some mail goes to trash instead of staying in the Inbox.

I think the problem is more likely to be some setting and not a problem with the application itself.

I did set the Junk to go to Trash, don't know how to set it to be deleted.

Where can I find that option?

It wasn't in Junk Settings "Destination and Retention". The selections were only the folders Inbox, Drafts, Templates, Sent, Archives, Junk, Trash, et cetera. How can I set it to be deleted, do you know?

Trash == Deleted.

Thanks, Zenos!

That's what I did: Set the Junk Settings to go directly to Trash without experiencing any change in the misplaced messages. Several addresses long time in my TB Address Book --like my wife's and my Neighborhood Group + others-- still go into Trash instead of my Inbox. And I have to move them to my Inbox manually. It's a real pain in the neck!

This just started last October/November and didn't ever happen before in several years of using TB. What could be the reason is way beyond me. Taruno

It would be better to set the junk to go to Junk until you get Thunderbird trained to recognize junk properly.

Hi, Finitarry:

I thought you told me: "But have you set the junk to be deleted instead of going to Junk? That is one reason why some mail goes to trash instead of staying in the Inbox."

That's why I went back and set the junk mail to be deleted (send to Trash).

Shall I set it back the way it was? Meaning: Junk mail to go to Junk folder? I got quite confused now.

Which is supposed to be the proper setting? A) Junk mail to go to Junk folder or B) Junk mail to go to Trash?

Thank you, Taruno

does your anti virus program have a spam component, on occasions these have been known to place all mail in the trash. If I recall correctly it was trend last time I saw it.

Junk is what other mail programs call Spam. Since identification of nuisance/junk/spam email is never 100% accurate, some good things will be incorrectly marked as junk. For this reason, most of us prefer junk to go to Junk, and then a quick inspection every day lets us rescue the incorrectly labelled stuff.

If you put it into Trash (aka Deleted or Bin) then it will be amongst other things you have dealt with already. I think that identifying misclassified messages will be easier in the Junk folder than in the Trash (Deleted) folder. But some users seem to think it's dreadful chore to move the contents of Junk to Trash, or to delete them manually.

It's also very useful, IMHO, to have the Junk Status column on show, particularly in your Trash folder; those messages which have been marked as Junk, rightly or wrongly, can be spotted by their orange icons, and you can sort by Junk Status to group them together.

Remember, the suspicion here is that Thunderbird's Junk Controls have incorrectly identified some of your messages as Junk, but if the Junk Controls are putting them in Trash, not Junk, it may not be obvious if this is happening. (Unless you also have the Junk icons showing.)

And, names....

To me as a British English speaker, there isn't a very strong semantic difference between "Trash" and "Junk" and I have to remind myself periodically what each word means. Both have the connotation of "unwanted", or "useless". Mozilla chose not to use "Spam", so we're using "Junk" for uninvited stuff. I'd prefer "Deleted" to "Trash", but I suppose it's following the common metaphor of a waste bin for the things you're intending to throw out. The stuff in "Trash" isn't necessarily bad, just old or irrelevant. Personally I don't like "Bin" either, since in some computer systems and programs, the Bin folder is a repository for executable ("binary") files, and they definitely shouldn't be deleted.

I was not advocating sending junk mail to trash. I am against doing that because it is easier to handle non-junk that was treated as junk incorrectly. I am also against marking junk as read because it is easy to tell if unread messages were put in Junk because the appearance of the text label changes.