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How to get SMTP port 25/tcp open
I have a couple of wordpress sites, and need to open tcp port 25 to send outgoing only emails such as registration and notifications, and later send emails to site’s users.
This droplet/site has been up for more than 60 days so far, can I request the port opening? I am able to set up any validation/ownership that you understand necessary, I am aware of the spam issues and take it seriously.