![]() Verify that the hosts file contains a line for the Linode’s public IP address and is associated with the Fully Qualified Domain Name (FQDN). In the example below, 192.0.2.0 is the public IP address, mail is the local hostname, and is the FQDN.ġ27.0.0.1 localhost. You will need to install an SSL certificate on your mail server prior to completing theĭovecot configuration steps. The SSL certificate will authenticate the identity of the mail server to users and encrypt the transmitted data between the user’s mail client and the mail server. While you can generate an SSL certificate through any certificate authority, we recommend using Certbot to quickly and easily generate a free certificate. Once installed, run Certbot with the certonly option and type in the FQDN name of your mail server (such as ): sudo certbot certonly -standalone Follow theseĬertbot instructions, selecting your Linux distribution and web server software (or “None” if this server is only functioning as a mail server). ![]() ![]() Install an SSL Certificate with Certbot guide. Make a note of the file paths for the certificate and private key on the Linode. Update your system and then install the packages needed in this guide: sudo apt-get update & sudo apt-get upgrade Replace 192.0.2.0 with your IP address: ssh You will need the path to each during theĭovecot configuration steps. Sudo apt-get install postfix postfix-mysql dovecot-core dovecot-imapd dovecot-pop3d dovecot-lmtpd dovecot-mysql mysql-server CANARY MAIL DOVECOT IMAP SERVER UPDATE CANARY MAIL DOVECOT IMAP SERVER INSTALL.
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