bege10

Might the "main account" be the "standard account for new contacts" (translated from German) as set in the settings of the AOSP/LineageOS contacts app? I don't find this setting this...

It is also an issue when syncing contacts with CardBook (full CardDAV features) add-on in Thunderbird.

In TB 128 the original message stays in the inbox and is not copied to EES folder. Error message now: `Error: Warning processing folder: Support deprecated since Thunderbird 121 and...

@jobisoft > @bege10 : I will update the used methods to use the new non-deprecated syntax in v7.5. You could give it a try now already: [#86 (comment)](https://github.com/cleidigh/EditEmailSubject-MX/issues/86#issuecomment-2308740748) Now the...

@jobisoft - I updated the add-on and edited 2 messages. That worked correct and the output on the console was as in your example. - I restarted TB and tried...

I used messages from three accounts - Freenet, GMX and T-Online. All show the same behavior. I also deactivated all add-ons except EES. 🤔

The problem did not happen for some time. Everything worked as expected. Thank you very much for your commitment.

Today it is the first time that I have a similar behavior: - The original message is still there, additionally a copy with the changed subject. - In another account...

Yes, that is a pity, and the hotkey does not work either.

I use # for some special numbers and AOSP contacts app sorts them to the top of the list.