Can't send email.smtp port bad?

I have been trying to fix this, searched the web. The best answer I got was the smtp port needs to change. Well, I don't use an email program (Though I downloaded one to try and change it, didn't work. I tried 25, 587 2525, and 465) I'm using "icloud" on a pc. But I can't send an email when I go to hotmail either, or on my iphone. Tried to change the port on my phone but it wouldn't let me.set at 587.

I need help! Please and thank you.

Please describe the steps you are doing to send email - software, hardware etc. Your description is a bit chaotic right now and it's hard to help.

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