Send email twice

User Help for Mozilla Thunderbird
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Joined: December 21st, 2017, 7:06 am

Post Posted December 21st, 2017, 7:09 am

I've been using Thunderbird for many years. A few months ago, every email I send is sent in duplicate which makes the program impractical, What do I do?


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Post Posted December 21st, 2017, 7:15 am

Moving to Thunderbird Support...
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(Always choose the "Custom" Install.)


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Post Posted December 21st, 2017, 7:41 am

Does the same thing occur if you launch the application in Mozilla Safe Mode?
Who is the email provider?
How is the account set up in Thunderbird, as POP or IMAP? Find out using menu path Tools->Account Settings->Server Settings->Server Type at the top right of the dialogue.

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