Using Slack for organizing or activism? You should be aware of the ways it can fall short in protecting your security. https://www.eff.org/deeplinks/2018/02/revolution-and-slack
How about suggesting riseup.net as an alternative?
@eff my though it is dangerous to encourage anyone to use digital tools for anything illegal. Aspesherly encryption as this gives a foles sense of security as the underlining device, phone, computer it self is VERY suspect from a security point of view for anyone but completely pardoned geeks. We need to have conversations with #encryptionsist about this.
Server run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!