

- #WHY DO EMAILS DISAPPEAR ON THUNDERBIRD SOFTWARE#
- #WHY DO EMAILS DISAPPEAR ON THUNDERBIRD OFFLINE#
- #WHY DO EMAILS DISAPPEAR ON THUNDERBIRD WINDOWS#

#WHY DO EMAILS DISAPPEAR ON THUNDERBIRD OFFLINE#
(If you're using 2.0.0.24 or earlier uncheck Tools -> Account Settings -> Offline & Disk Space -> Disk Space -> "Always delete read messages") Right click on the folder, select Properties, Retention Policies, and verify that it's either set to "Don't delete any messages" or - if it's set to "use my account settings" - that Tools -> Account Settings -> Synchronization & Storage -> Disk Space -> Don't delete any messages" is selected. If you are using the message aging feature, it will permanently delete messages based upon your settings.You can check the log file by pressing "Filter Log" if logging is disabled you may want to enable it to help if the problem recurs. Check your filter definitions in "Tools -> Message Filters" and choose the problematic account from the top drop-down-list. If you have any message filters they might move or copy new messages from the Inbox to other folders.Depending on how you have the Junk Mail Controls set up, messages can be sent automatically to the Junk folder or Trash. If you haven't compacted the folder, see Undelete a message for several ways to recover deleted messages. Could you have deleted the message? It's easiest to recover them if they are still in your trash folder.Is Thunderbird working online? Check Files -> Offline -> Work Offline is not checked, and that you can do something that gets a response from a mail server (download a new message, send a message, list subscribed folders in a IMAP account etc.) to prove that your firewall is not an issue.
#WHY DO EMAILS DISAPPEAR ON THUNDERBIRD WINDOWS#

See the second method in Compacting doesn’t seem to work. Depending upon how corrupt it is it might have just hidden or permanently lost the missing messages. If this happens your folder is probably corrupt due to not compacting it regularly. You might also see some of your messages having dates of 1969 (due to a missing a Date: header) or the summary file being rebuilt whenever you open a folder.
#WHY DO EMAILS DISAPPEAR ON THUNDERBIRD SOFTWARE#
Your anti-virus software might be set to do this automatically when it finds an infected message.

Check to see if your anti-virus software has quarantined or deleted your Inbox.Sometimes a conversation view hides messages. Check to make sure that "View -> Messages" and "View -> Threads" are both set to "All".
