Eli5:how private and public email server works with some example?

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Anonymous 0 Comments

As far as the server goes, there really should be no “public servers” at this point in the Internet. An email server that accepts and forwards communication from anyone is called an “open relay”, and can also accept falsified senders and unlimited communications. There was little security against abuse before the internet became popular around 1994. Lists of abusive open servers are shared between ISPs and blocked.

Private server, therefore, may refer to an email system that is part of a company’s internal infrastructure, sending emails between employees using email accounts that are not public-facing or routable, using domain names that are not registered on the internet. These are becoming less common as company infrastructure becomes “cloud” and employees would be unfamiliar with the concept of not being able to reach anyone on the internet when sending from their email account.

Anonymous 0 Comments

As far as the server goes, there really should be no “public servers” at this point in the Internet. An email server that accepts and forwards communication from anyone is called an “open relay”, and can also accept falsified senders and unlimited communications. There was little security against abuse before the internet became popular around 1994. Lists of abusive open servers are shared between ISPs and blocked.

Private server, therefore, may refer to an email system that is part of a company’s internal infrastructure, sending emails between employees using email accounts that are not public-facing or routable, using domain names that are not registered on the internet. These are becoming less common as company infrastructure becomes “cloud” and employees would be unfamiliar with the concept of not being able to reach anyone on the internet when sending from their email account.

Anonymous 0 Comments

As far as the server goes, there really should be no “public servers” at this point in the Internet. An email server that accepts and forwards communication from anyone is called an “open relay”, and can also accept falsified senders and unlimited communications. There was little security against abuse before the internet became popular around 1994. Lists of abusive open servers are shared between ISPs and blocked.

Private server, therefore, may refer to an email system that is part of a company’s internal infrastructure, sending emails between employees using email accounts that are not public-facing or routable, using domain names that are not registered on the internet. These are becoming less common as company infrastructure becomes “cloud” and employees would be unfamiliar with the concept of not being able to reach anyone on the internet when sending from their email account.