Had an existing Postfix configurationup and running. Notes for bringing up the same available at https://www.sandeeprao.net/configuring-secure-mail-server-using-postfix-with-dovecot-spamassasin-postgrey-and-opendkim/ As I could add more vCPU and RAM to the VM, thought of adding anti-virus check on receipt of mails. As I had already configured amavis + spamassassin it was pretty straight forward, install the required clamav packages along…
Month: January 2020
KVM with NIC Bonding
A total newbie to K8s. The intention was to bring up a multi-master cluster – 3 master nodes, 3 worker nodes, 1 HA Proxy node. Read articles on the pros and cons of deploying on Baremetal servers and VMs Hypervisors. Finally decided to try out bring up the cluster with nodes hosted on KVM. The…
Configuring secure mail server using Postfix with Dovecot, Amavis, Spamassasin, Postgrey and OpenDKIM
Prerequisite : https://www.sandeeprao.net/preparing-for-configuring-secure-mail-server-using-postfix-dovecot-spamassassin-and-opendkim/ Install required packages #apt install -y razor #apt install -y amavisd-new dovecot-core dovecot-imapd dovecot-lmtpd dovecot-mysql dovecot-sieve haveged mailutils mariadb-server opendkim opendkim-tools p7zip postfix postfix-mysql postgrey spamassassin Create require vmail user and group #groupadd -g 5000 vmail #useradd -g vmail -u 5000 vmail -d /var/vmail Create mailbox directory #mkdir -p /var/vmail #chown -R…