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you need to sign up and confirm your email

When I go to substratumcoin.slack.com there is only Log in, I can create account only if I have an @ovri.de email address. Do I need special innvitation ?

Go to the home page of the web-site, there is a section that says "Join Us", click the SLACK logo, looks like a #. Also here is the link https://goo.gl/1uvWDG c

You need to create a slack account first and log in to it @kuna3d

I think they are far away now. Emails ar off:

"Delivery has failed to these recipients or distribution lists:

[email protected]
The recipient's e-mail address was not found in the recipient's e-mail system. Microsoft Exchange will not try to redeliver this message for you. Please check the e-mail address and try resending this message, or provide the following diagnostic text to your system administrator.
[email protected]
The recipient's e-mail address was not found in the recipient's e-mail system. Microsoft Exchange will not try to redeliver this message for you. Please check the e-mail address and try resending this message, or provide the following diagnostic text to your system administrator.
[email protected]
The recipient's e-mail address was not found in the recipient's e-mail system. Microsoft Exchange will not try to redeliver this message for you. Please check the e-mail address and try resending this message, or provide the following diagnostic text to your system administrator.
[email protected]
The recipient's e-mail address was not found in the recipient's e-mail system. Microsoft Exchange will not try to redeliver this message for you. Please check the e-mail address and try resending this message, or provide the following diagnostic text to your system administrator. "