Same issue reported in Support Forum: https://support.mozilla.org/en-US/questions/1331541 > I contacted email provider (Earthlink) and all settings in Thunderbird are correct. > Green bar just keeping blinking but doesn't complete sending. > Q: Did it quit working immediately after updating to version 88.02b ? > Yes, worked fine with 78
Bug 1702838 Comment 10 Edit History
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Same issue reported in Support Forum: https://support.mozilla.org/en-US/questions/1331541 > I contacted email provider (Earthlink) and all settings in Thunderbird are correct. > Green bar just keeping blinking but doesn't complete sending. > Q: Did it quit working immediately after updating to version 88.02b ? > Yes, worked fine with 78 I'll pass on the information regarding setting the preferences "mailnews.send.jsmodule" and "mailnews.smtp.jsmodule" to false.