MSGID: 2:221/360.0 5e176afc
REPLY: 2:221/360.0 5e16735e
PID: JamNNTPd/OS2 1.3 20191227
TID: GE/2 1.2
CHRS: UTF-8 2
TZUTC: 0200

>>  AA> Tommi should be able to read it too.
>>
>> Yes I can read it, but not in Thunderbird. I had to copy/paste it
>> elsewhere to decrypt.
>
> Do you mean the outter one?  That worked at both of my TB installations.

Yes. I just tried again with this TB 68.2.2 in Linux, but the result is
still the same.

'Tommi

--- Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2
 * Origin: nntp://rbb.fidonet.fi - Lake Ylo - Finland (2:221/360.0)
SEEN-BY: 1/123 19/10 90/1 154/10 203/0 221/0 1 6 360 227/114 229/426
SEEN-BY: 229/1014 240/5832 249/206 317 400 280/464 5003 292/854 310/31
SEEN-BY: 317/3 322/757 342/200 396/45 423/81 120 712/848 770/1 2452/250
PATH: 221/360 1 280/464 229/426