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
NIC Bonding
Upgraded the lab by adding a new server, primarily hosting an NFS server. Upgraded all servers by adding 2 x 10G NICs in all the servers connected via Microtik CRS309 Desktop Router (Using SwitchOS and not RouterOS) – supports LACP. On the server-side decided to bond both the 10G NICs so that better network throughput…
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…