deltachat does not have central servers. you get to use your own servers. aka it's federated. and it works with plain SMTP so you can just reuse the server/email account you already have.

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heavyset_go 6 months ago | parent [-]

Delta Chat has the option of using chatmail servers that they host themselves.

	▲	josephb 6 months ago \| parent [-]
		Chatmail relays can be run by anyone, they are designed to be fairly minimal and lightweight, just running what is needed to support the "encrypted chat" part, not regular email.