[SchemaLoad]

Because email is spammed with marketing. If you send me an email at work there is a good chance I won't see it because I got 20 emails from every SaaS product news letter flooding the inbox. If you send me a message on slack there is a 100% chance I will see it.

[carlosjobim]

That can be avoidable. For example by using a different adress for inter-personal communication.