New answers tagged postfix
There is a standard backup program on ubuntu. Just type "backup" in the dash menu to find it (See picture. Thats the dash icon. Click on it and type backup) Works for very well for me.
You can use solutions like Acronis or Redobackup. They suggest windows-style solutions that totally suit you.
seems like my server wasn't compromised it just my settings allowed anyone to connect to it, and use it without authentication. in my main.cf I changed the mynetworks = 0.0.0.0/0 [::/0] to mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 and removed the permit from smtpd_client_restrictions after i cleared the queue and started the server none of ...
Nuke it in orbit! Your server was compromised, I wouldn't try to "repair it" but plainly starting from 0 and then prevent it gets compromised again. You can check our network paranoids security experts counsels at Information Security. Related: How do you know your server has been compromised? Prevent from happening again: Determining the point of ...
Yes, it is possible to get infected from any service that have vulnerabilities regardless of what port or what service it is. In your case did Ubuntu 11.04 hit end of life (EOL) October 28, 2012. Unless you are having good routines for upgrading or, detecting and patching vulnerabilities would I strongly recommend to stick with Ubuntu LTS releases for ...
Yes! If I do understand you right, would you be best of with a public static IP address for your domain. Add a mx record and a spf record to the domain dns server. A typical spf record could be v=spf1 mx -all. To set up the server i suggest you to follow the instructions in the Ubuntu serverguide. A good mail server stack could be to install: Postfix, ...
It is common for isp's to block port 25 or intercept all traffic on it to prevent spam. In your case does it look like your isp is blocking the port on your local connection. Your remote server is working cause your VPS provider is not blocking the port.
UDP is used for a variety of services. If you only have SMTP and POP3 open, you should have no UDP traffic. I assume you also have DNS open on both TCP and UDP. Massive amounts of traffic is a rather imprecise measurement. Is it 1% of your traffic or bandwidth, or 90%. If you allow incoming email, I would assume you are also running some sort of ...
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