Filelink Thunderbird Add-On refuses the upload Hello dear box.com support team,
Perhaps someone here can help me… but first, some information: TB: 115.6.1 (64-Bit)OS: Windows 10 Account Type: POP Mailbox Provider (split): SMTP marec.de (own domain) / POP (Incoming server:) gmail.com Storage Service (the one that is / isn’t working ;)): box (box.com) AV: Windows Defender Firewall: Windows Defender (and Fritzbox)
On the subject: For many years, I have been using the Box (box.com) add-on with Filelink (from a certain attachment size). It has always worked great. However, for some time now, the upload always fails, I can no longer use Box (box.com) in conjunction with Thunderbird. There is no further error message, except that the “upload failed”.
I have already “uninstalled” and re-set up the service several times -> no improvement. If I try it e.g. 5 times with Box (box.com), it may work on the 5th try or already on the third try or only on the 7th try and sometimes not even then.
Since I have a lot and enough storage at Box, I am