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ยป Register an XMPP account. It is free of charge.
Registering with XMPP
As with email, you need an account with a service provider to operate Blasta, so if you already have an XMPP account, you can connect and start to Blasta.
If you do not have an XMPP account, yet, you can use a public provider from the curated list of XMPP Providers or be your own provider by hosting a server yourself.