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Tag: Postfix

Adding ClamAV Anti-virus checks to existing Postfix, Amavis+Spamassasin configuration

Posted on January 30, 2020 by sandeep

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…

Configuring secure mail server using Postfix with Dovecot, Amavis, Spamassasin, Postgrey and OpenDKIM

Posted on January 11, 2020 by sandeep

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…

Preparing for configuring secure mail server using Postfix, Dovecot, Spamassassin and OpenDKIM

Posted on December 28, 2019 by sandeep

My requirements Have registered domain and a web server is already hosted for the same. Need is to add a ‘mail’ subdomain associated with a different public IP and set up a mail server. Have access to DNS management and will be configuring mail server on a VM on my server (hosted in a datacenter)…

Configure Postfix – Relay only!

Posted on December 11, 2019 by sandeep

Did not want to use any SMTP plugin in the WordPress installation. Reading through the posts on the net to achieve mails being sent from WordPress the wp_mail() is used and it attempts to delivery the mail to port 25 of localhost. So decided to configure Postfix to accepts mails for delivery to be relayed…

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