Question

Use of Port 25 (ENABLE IT)

Bro I need to be able to use port 25… mailcow doesn’t work without it all email providers use port 25 like come on bro wtf


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Hey @dxublegrblx,

It is possible that port 25 is 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 is going to send it.

Stopping spam is a constant fight, so we have implemented some restrictions on newer accounts. To qualify for the ability to send out emails, we do require accounts to wait 60 days before we can look into removing the restriction. Once your account has reached 60 days of stable use, please do reach back out to us so we can look into this for you.

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:

https://www.digitalocean.com/community/tutorials/why-you-may-not-want-to-run-your-own-mail-server

Hope that helps!