Norton 360 cripples Thunderbird e-mail Gmail send

[holdypoldy_112]

have you tried this setting?

Norton 360 release 24.12.9725

For me it works with Thunderbird without any delay. Do you use any add-ons for Thunderbird? Please check under Privacy and Security whether the following is activated: [grafik] I turned off the compression, maybe that helps. [grafik]

Is there a reason, you use Thunderbird 115.xxx ??
For myself, I am on 128.xxx - this works fine with the new norton.