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A comment on Helm: Personal Email Server. Parent comment

Re:Helm: Personal Email Server by freeopinion on Wednesday October 17, 2018 @04:21PM (#18243377)
To be pedantic, when you provide content to Facebook, you are serving them data, right? When you upload pictures to Dropbox, you are serving, right? Slingbox? Security webcam? Facetime?

I don't think there is a good enough definition of "server" or "serving" for such restrictions to be enforceable except is an arbitrary way.

I have an MUA that retrieves email from a server and sends email to a server. It might run in a browser and interact with GMail. It might be a mobile app or Thunderbird or Outlook. It might be sendmail or postfix or Exchange. Which of these are "servers"? Which are banned and which are ok?

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Re:Helm: Personal Email Server by pathseeker on Wednesday October 17, 2018 @04:53PM (#18243716)
Usually an ISP defines it as something that allows ingress unsolicited connections. i.e. put a stateful firewall in front of it and if it requires ingress allow rules to function, it's a server.
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