I have got a droplet for the sole purpose of running a mail in a box. THe control panel says the port 25 is blocked. is it possible to unblock it? and if no, is it possible to get a refund?
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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 email, 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.
Dedicated email deliverability platforms are better at handling deliverability factors like IP reputation. To send mail from DigitalOcean, we recommend using SendGrid:
SendGrid DigitalOcean Marketplace 1-Click App
Even on older accounts where SMTP may be available, we strongly recommend against running your own mail server in favour of using a dedicated email deliverability platform.
Hope that helps!