Mail Server Fixed and Configuration Improved

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Mail Server Fixed and Configuration Improved

Post by Nanook » Thu Oct 18, 2018 9:28 pm

The mail server has been restored from backups and then all updates applied. It is function properly now.

Mail Server Configuration Changes
Posted on October 18, 2018

I have made several changes to mail server configurations and DNS that should reduce spam and viruses.

No mail will be accepted to via any of the mail servers.
SPF records are now published for This should prevent forgeries since SPF records are checked on all of our servers.
The issue which prevented the clamav anti-virus database from being updated has been repaired.
Fail2ban was not starting on mail allowing that machine to be used for brute force password guessing attacks. This has been fixed.

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