Tagging-Archive: mailserver

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Part 2 – Backup MX with MySQL (and ISPConfig) 1

Secondary MX servers are a source of accept-then-bounce spam when they don’t reject mail with “recipient unknown”, and when they don’t enforce the same anti-spam policy as the primary MX. Such servers may eventually become blacklisted. That´s the reason why I share the mysql-database between the primary and secondary MX […]

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Backup MX with MySQL (and ISPConfig) 3

Anyone who operates a Backup MX should, ensure that it´s configured identical to the actual terms of the accepted messages on the normal MX. Otherwise, the backup MX could for example accept an email for does_not_exists@domain.com that the actual MX will not accept. Since I use ISPConfig, all relevant data […]

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