Postfix


This page will guide you in configuring MailScanner, ClamAV and SpamAssassin to work in Postfix. Before proceeding, make sure Postfix is installed and working.

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Installing and setting up Postfix SMTP Server in Ubuntu 10.04 is easy. Postfix by default uses the mbox mail format so we’ll just change it to maildir.

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SMTP Authentication (SMTP Auth) provides an access control mechanism that can be used to allow legitimate users to relay mail while denying relay service to unauthorized users, such as spammers.

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Installing and setting up Postfix SMTP Server in Red Hat Enterprise Linux 6 or CentOS 6 is easy. Postfix has secure default settings so we just need to open it up a bit.

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This article describes how to use a text file or static db file as the source for user accounts in Postfix and Dovecot. This is suitable for very simple mail account requirements. For larger implementations, check out the MySQL virtual accounts or Active Directory/LDAP virtual accounts.

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This article describes how to configure Postfix to restrict mails from a sender, to a recipient, or both.

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This article describes how to use MailScanner to add a disclaimer message to outgoing mails in Postfix. Make sure MailScanner is integrated into Postfix and tested to be working.

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Backing up your mailboxes is a simple as copying your mailbox folder. This article describes how to backup and restore your Postfix mailboxes using the tar command.

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To improve security or offload services like virus and spam checking, you may want to implement an SMTP gateway. This article describes how to configure Postfix as an SMTP gateway.

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Postfix can be configured to prevent email senders from using an email address that does not belong to them. This article describes how to configure the sender restriction in Postfix to prevent senders from spoofing email addresses.

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