Code:
This is the mail system at Proton Mail.
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.
For further assistance, please forward this email to contact@proton.me.
If you do so, you can delete your own text from the attached returned message.
<support@[banned mixer]>: host mx.yandex.net[77.88.21.249] said: 554 5.7.1
Message rejected under suspicion of SPAM; https://ya.cc/1IrBc
1684962406-i6OlrZHYRqM0-f0zaADAU (in reply to end of DATA command)
...
Yes, I also noticed that they began to use bc1... addresses and Yandex mx servers.
Possible exit scam, hack or seized servers imo
UPDATE
funds received