I’m trying to make a personal mail server and just wanted to check if port 25 was blocked as from past experiences from other providers was that I had to have it request to be unblocked.
Thank you for your time :)
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As already mentioned the port may be closed for new accounts. This is something we have been doing to reduce spam on our network. Please do not think that we are accusing you of sending spam, it is more that we simply cannot accurately determine who will send it.
You can also use a third-party mail provider like SendGrid in order to avoid issues like this one. I’ll also recommend checking this article:
Hope that this helps!
It’s possible port 25 is closed for external uses for new accounts. There are a few ways to go about the problem
To expand more on blocking port 25 for new accounts, this is something DigitalOcean has been doing to reduce spam on it’s network. It is more that we simply cannot accurately determine who is going to send it.
Stopping spam is a constant fight, so DigitalOcean has implemented some restrictions on newer accounts. Having said that, you can always contact them and ask for the port block to be lifted on:
More information here:
Hope that helps!
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