Install pop3 server centos

Login to your server and run the following command to update the repository and packages available in your system. Now update the hostname of your system to the FQDN you want to use with your mail server. Run the following command to change your hostname. Now add the hostname entry in the host files of your system. For example if your are using nano then you will need to run the following command.

You will see two lines of entries in there, append your server IP address followed by hostname at the end of the file. It should look like the one shown below.

Before configuring postfix we will need to configure SSL which will be used to encrypt and secure the emails. Now we will have to create SSL certificates. If you do not have openssl installed you can install it using the following command. You will be asked your country name in two letters, for example consider IN for India.

Then you will be asked about the state or province. Then you will be asked about your city and organization.

Finally, a common name of your server and your email address. If you want to leave some details blank use full stop or period. You can also enter the default values just by pressing enter.

Example output is given below. Now if you have a firewall running you will need to allow port number 25, , , , , , and All the ports except 80 are used to send and receive emails and port 80 is used to make HTTP connections. HTTP connections will be used to access Squirrelmail using web interface. Now you can also send email using telnet. Use the following command to enter the sender username.

Once you have entered your message, enter dot. Finally enter quit to exit telnet. Facebook Twitter Instagram. TecAdmin Home Ubuntu Related Posts. How to Install Roundcube Webmail on Ubuntu How to Install Dovecot on Ubuntu Submit Type above and press Enter to search. Press Esc to cancel. After that it will prompt for the password. Enter user password and press enter. You will see the emails of your account. You can also configure Roundcube webmail interface to access Mailboxs.

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