[MM3-users] email command join - problem

Hi All

Im using Mailman core 3.3.4 on Ubuntu 20.04 with python 3.8 anf have this problem with email command join.

When send command to ml-request@

join address=some.email@domain.com

Response is: Confirmation email sent to 3dsome.email@domain.com

It add characters 3d to email and realy sent confirmation to it.

Also help command for join return me join [digest=<no|mime|plain>] [address=user@example.com]

But digest doesnt work as after command

join digest=no address=some.email@domain.com

i get

join bad argument: digest=no

I will be thankfull for any help/advice. S.