Still subscribed to a banned group

Hello. I was part of a group where I played in team matches. The team, lichess.org/team/strongest-team-and-best-tournaments was closed or something. However, I still receive constant messages from said team. Is it possible to disable these as I can't leave the group? I'm getting this message from all of them/I would prefer not having to block all the people sending these.

Receiving "You received this because you are subscribed to messages of the team lichess.org/team/strongest-team-and-best-tournaments."

@CabassoG Maybe the leader of the team is faking the format as if the team still exists? Contact them and tell them to quit it.

@kaissa44 There were multiple admins. I think the group was closed for that reason but who knows.

@CabassoG Just tell whoever those admins are to quit sending messages if the team is closed

@CabassoG These could be fake messages to annoy people, if this continues just block the user who is sending these messages.

@kaissa44 he said the message begins with the text "You received this because you are subscribed to messages of the team l"
If it was the admins trying to fake it by sending normal private messages there woulnd't be this text from lichess.
Unless they are typing that in themselves. Wouldn't the text look different though?
@CabassoG you should show us a screenshot of it

Example image

There's multiple similar others.

@CabassoG
easy
they typed it
you can type everything there. If one of your friend joined that team and hasnt left ask him/her what time they received it.

They don't type it I got the same message with "You received this because you are subscribed to messages of the team lichess.org/team/strongest-team-and-best-tournaments." at the end.

#9 What do you mean? They can easily write You received this because you are subscribed to messages of the team lichess.org/team/strongest-team-and-best-tournaments ! They are just faking it. You can simply write something like
"
Join this amazing Arena tournament lichess.org/tournament/some-random-tournament-link !
---
You received this because you are subscribed to messages of the team lichess.org/team/some-random-team-link.
"
right?