Show pagesourceBack to top Share via Share via... Twitter LinkedIn Telegram Yammer RedditRecent ChangesSend via e-MailPrintPermalink × Table of Contents settings disable line wrap for text-only mails Troubleshooting high bandwidth usage Thunderbird settings disable line wrap for text-only mails Menu → Preferences → Preferences → Advanced → General → Config Editor Set the preference called mail.wrap_long_lines to false Set mailnews.wraplength to 0 Restart Thunderbird. Troubleshooting Rebuild global database – delete global-messages-db.sqlite in profile folder Check activities: Tools → Activity manager high bandwidth usage You may experience a lot of send/receive traffic in the background. In this case do a complete sync in Menu > File > Offline > Download/sync now If you don't want to sync all of your account data, you can change your account settings to sync only the last x days of mail. Last modified: 2023-01-17 12:27