I went through setting up ssh with keys, and everything works with keys and passphrase. How do I make it work on another client computer. Do I just copy some files or generate another keys on the to other laptop compu...

i have free cet from StartSSL for my domain--it worked, but was clumsy procedure with them. I want use one new one generated from Let’s Encrypt Why? If you’re running Apache on a recent Debian-based OS, you can try t...

nano /etc/ssh/sshd_config ``` Set this to 'yes' to enable PAM authentication, account processing, and session processing. If this is enabled, PAM authentication will be allowed through the ChallengeResponseAuthenticat...

StartSSL Digital Certificate, Dose this go in the browser. I re-installed Linux on my desktop and the Authenticate button at StartSSL.com dose not work anymore. I probably have a backup if I restore the old .config/go...

First Problem: /etc/postfix/main.cf for iRedMail I got free SSL certificate from StartSSL Certificate ca.pem private.key ssl.crt ssub.class1.server.ca.pemfiles are in cd /etc/apache2/ssl and they work fine when a...

DNS RECORD: $TTL 1800 @ IN SOA ns1.digitalocean.com. hostmaster.mydomainmame.us. ( 139... ; last update: 2014-04-24 13:14:59 UTC 3600 ; refresh 900 ; retry 1...

Were do I put these files right with the ones for myserver.us in etc/apache2/ssl . Then do I have to add another <VirtualHost *:XXX> in /etc/apache2/sites-enabled/000-defaul?

Diagnostic-Code: X-Postfix; connect to 127.0.0.1[127.0.0.1]:10024: Connection refused. Anyone know what this is about?

For an iredmail server. What should I name my droplet mydomain.us or mail.mydomain.us? What should then be the entry in ect/hosts? It says all kinds of different things all over the internet /etc/hosts. I think all th...

It says it sent the emails and their in the sent box from the web interface. I dose not receive mail went sent from postmaster@mydomain.us back to postmaster@mydomain.us Also wont receive from gmail. Any where I can b...

I followed the directions for installing iredmail server and it works. http://www.cloudservers.com/how-to-install-iredmail-on-ubuntu-12-04/ http://192.168.1.200/iredadmin/ gets me to administrator Dashboard http://19...

Can I / should I use the same certificate for both iredmail and apache? I already got one for apache from StartSLL but want to add a mail server to my same domain name. https://myname.us

I made a mistake and did not name my droplet s the same as my domain name. I then brought up my web server and set up DNS to my domain name. All's well with webserver. I now want to install a mail server and it say...