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Change settings in my email to NOT add new addresses

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When I send a new email the address is added to the addresses in my (Send To) box. They are not added to my address book. How can I stop this from happening? Thanks. Bettijo

When I send a new email the address is added to the addresses in my (Send To) box. They are not added to my address book. How can I stop this from happening? Thanks. Bettijo

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You posted in the Firefox support fora queue. Firefox doesn't do email, it's strictly a web browser. It doesn't have an address book.

If you are using Firefox to access your mail, you are using "web-mail" such as Yahoo!Mail or Gmail. You need to seek support from your service provider or a forum for that service.

If your problem is with Thunderbird, let us know and we can move this thread to the Thunderbird support queue.

https://support.mozilla.org/en-US/kb/problems-with-email-how-to-find-help