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You misunderstood it horribly. https://en.wikipedia.org/wiki/Simple_Mail_Transfer_Protocol#Ports https://en.wikipedia.org/wiki/Simple_Mail_Transfer_Protocol#..

You misunderstood it horribly. https://en.wikipedia.org/wiki/Simple_Mail_Transfer_Protocol#Ports https://en.wikipedia.org/wiki/Simple_Mail_Transfer_Protocol#...