Delete Duplicate Messages in Mozilla® Thunderbird®
What are the techniques to delete duplicate messages in Mozilla Thunderbird?
Mozilla Thunderbird is a cross-platform application which is free and open source for managing the e-mails and news feeds. It is a very easy to use local e-mail application rather than web based e-mail client. Mozilla Thunderbird includes myriad features. The user can customize and extend the e-mail experience with the add-ons available for Mozilla Thunderbird. The Mozilla Thunderbird is available for the Windows, Linux and MAC Operating Systems. Sometimes, the user will receive duplicate messages in their Mozilla Thunderbird inbox. This will be very frustrating to the users. The duplication of messages can occur when the user pulls new e-mails from the mail server and before completing the process, the server get disconnected from the Mozilla Thunderbird. This can be a reason for the duplication of messages received by the user. Another reason can happen at the time when the user tries to merge the folders in the mail program or is server download error has occurred at the time of downloading any mails etc.
Discussed below are some ways to remove the duplicate messages in Mozilla Thunderbird:
- Steps to automatically remove duplicate mails
- Ways to delete duplicates
- Ways to prevent receiving duplicate
Steps to automatically remove duplicate mails
There are some hidden variables in the Mozilla Thunderbird which will define how to treat the duplicate messages in Mozilla Thunderbird. The user can set the value for that hidden variable for automatically removing the Mozilla Thunderbird duplicate e-mails. For that, take tools and then click on options. Now click on the advanced tab. Then click on the config editor which is under the 'Advanced' configuration. Now type mail.server.default.dup_action in the filter. Now a window will get opened in that right click on the parameter entry and set it as one for deleting the duplicates automatically.
Ways to delete duplicates
An easy way to delete the duplicate messages in your inbox is by sorting the e-mails in the sequence they are received. Now, select them all at once and click on 'Delete' option. The reason for sorting the duplicate messages in the order is that, those messages have been received all at once. So it will be easy to delete in this way. If the duplicate messages are present in the inbox as unread and it is not mixed with other unread messages, then select the ‘unread’ by using the view pulldown menu. Now select all by pressing ‘CTRL+A’ and delete it.
For preventing duplicate messages to be received the user can go to Tools and select account settings followed by server settings. Now remove the tick mark against ‘leave messages on server’. By doing this, the user can set the server of the Mozilla Thunderbird to delete the messages from the server itself. The user can also prevent the receiving of duplicate messages by deleting the index file .msf in your profile folder. You have to do this regularly for rebuilding when you launch the Mozilla Thunderbird again. The user can also prevent the duplicate messages by creating a new profile and moving all mails and address book by setting up an account in it.
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