Email sent duplicates
Why does the MacBook from 2020 save two message in the sent mail.. Sounds like it's an old issue but not sure how to cure it on this version.
MacBook Air 13″, macOS 11.0
There are some things to try; and see how changing settings could help.
• Mail Help - [Table of Contents] - Apple Support
https://support.apple.com/guide/mail/toc/11.0
• View email account information in Mac on Mac - Apple Support (big sur)
https://support.apple.com/guide/mail/view-email-account-information-mlhlp1193/14.0/mac/11.0
• Troubleshoot email problems in Mac on Mac - Apple Support (big sur)
https://support.apple.com/guide/mail/troubleshooting-mail35552/14.0/mac/11.0
If no other solutions work, try setting up your email account again. To do that,
first remove your email account, then add the account back. Other than trying
to resolve issues, by trial and error, I've no specific things to attempt to fix this.
Take care & good luck!
🌞🌿🎣🌤🐢⛵️🐟🐌📬