Question
Unable to open port 25,465,587
- Posted on December 22, 2020
- DigitalOcean Droplets
Asked by 5879117a5a6a4ea4822f0727576b57
I need to activate my e-shop gmail address in order to finalize the order and sending/receiving messages. I can not open port 25,465,587. I have removed the firewall but still unable to open these ports ( was able to open only 443).Ubuntu 18.04.5 I need desperately your kind help. thanks in advance.
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Dear CobaDisini, Problem solved, was spam problem.
Hello, all
We have a tutorial on how to set up a Firewall with UFW for Ubuntu 18.04/20.04
UFW, or Uncomplicated Firewall, is a simplified firewall management interface that hides the complexity of lower-level packet filtering technologies such as iptables and nftables. If you’re looking to get started securing your network, and you’re not sure which tool to use, UFW may be the right choice for you.
You can check the tutorial here:
https://www.digitalocean.com/community/tutorials/how-to-set-up-a-firewall-with-ufw-on-ubuntu-20-04
Regards, Alex
You can check firewall setting in your droplet and allow incoming or outgoing port 25,465,587 from all IPs.
Your_Droplet -> Networking -> Firewalls