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Tag: fail2ban

Blocking relay hammering on Postfix with Fail2ban

Kapitein Vorkbaard 2016-10-14 Tech3 Comments

After installing Postfix on a new VPS I noticed that server was under continuous attack by people trying to use it as an open relay. The server obviously was configured not to allow relaying for external parties so they were politely shown the door by Postfix: However since there were …

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Installing a mailserver on Debian 8/9 – Part 5: Web interface: Roundcube

Kapitein Vorkbaard 2016-04-02 Tech

How to install a complete mailserver on Debian 8/9, featuring Postfix, Dovecot, MySQL, Spamassassin, ClamAV, Roundcube and Fail2ban. ~ the howto that actually works ~ Part 1: Introduction Part 2: Preparations: Apache, Let’s Encrypt, MySQL and phpMyAdmin Part 3: MTA: Postfix Part 4: IMAP server: Dovecot Part 5: Web interface: …

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Installing a mailserver on Debian 8/9 – Part 8: Quota, rules, aliases and other settings

Kapitein Vorkbaard 2016-03-31 TechOne Comment

How to install a complete mailserver on Debian 8/9, featuring Postfix, Dovecot, MySQL, Spamassassin, ClamAV, Roundcube and Fail2ban. ~ This is the howto that actually works. ~ Part 1: Introduction Part 2: Preparations: Apache, Let’s Encrypt, MySQL and phpMyAdmin Part 3: MTA: Postfix Part 4: IMAP server: Dovecot Part 5: …

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Installing a mailserver on Debian 8/9 – Part 6: Spamfiltering: SpamAssassin

Kapitein Vorkbaard 2016-03-31 Tech3 Comments

How to install a complete mailserver on Debian 8/9, featuring Postfix, Dovecot, MySQL, Spamassassin, ClamAV, Roundcube and Fail2ban. ~ the howto that actually works ~ Part 1: Introduction Part 2: Preparations: Apache, Let’s Encrypt, MySQL and phpMyAdmin Part 3: MTA: Postfix Part 4: IMAP server: Dovecot Part 5: Web interface: …

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Installing a mailserver on Debian 8/9 – Part 11: Sources, config files, colouring and comments

Kapitein Vorkbaard 2016-03-31 Tech91 Comments

How to install a complete mailserver on Debian 8/9, featuring Postfix, Dovecot, MySQL, Spamassassin, ClamAV, Roundcube and Fail2ban. ~ the howto that actually works ~ Part 1: Introduction Part 2: Preparations: Apache, Let’s Encrypt, MySQL and phpMyAdmin Part 3: MTA: Postfix Part 4: IMAP server: Dovecot Part 5: Web interface: …

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Installing a mailserver on Debian 8/9 – Part 10: Security: counter brute-force attacks with Fail2ban

Kapitein Vorkbaard 2016-03-31 Tech

How to install a complete mailserver on Debian 8/9, featuring Postfix, Dovecot, MySQL, Spamassassin, ClamAV, Roundcube and Fail2ban. ~ the howto that actually works ~ Part 1: Introduction Part 2: Preparations: Apache, Let’s Encrypt, MySQL and phpMyAdmin Part 3: MTA: Postfix Part 4: IMAP server: Dovecot Part 5: Web interface: …

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Installing a mailserver on Debian 8/9 – Part 9: Using mail with a remote IMAP client (i.e. Thunderbird)

Kapitein Vorkbaard 2016-03-31 Tech

How to install a complete mailserver on Debian 8/9, featuring Postfix, Dovecot, MySQL, Spamassassin, ClamAV, Roundcube and Fail2ban. ~ the howto that actually works ~ Part 1: Introduction Part 2: Preparations: Apache, Let’s Encrypt, MySQL and phpMyAdmin Part 3: MTA: Postfix Part 4: IMAP server: Dovecot Part 5: Web interface: …

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Installing a mailserver on Debian 8/9 – Part 7: Antivirus: clamav

Kapitein Vorkbaard 2016-03-30 Tech

How to install a complete mailserver on Debian 8/9, featuring Postfix, Dovecot, MySQL, Spamassassin, ClamAV, Roundcube and Fail2ban. ~ the howto that actually works ~ Part 1: Introduction Part 2: Preparations: Apache, Let’s Encrypt, MySQL and phpMyAdmin Part 3: MTA: Postfix Part 4: IMAP server: Dovecot Part 5: Web interface: …

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Installing a mailserver on Debian 8/9 – Part 4: IMAP server: Dovecot

Kapitein Vorkbaard 2016-03-30 Tech

How to install a complete mailserver on Debian 8/9, featuring Postfix, Dovecot, MySQL, Spamassassin, ClamAV, Roundcube and Fail2ban. ~ the howto that actually works ~ Part 1: Introduction Part 2: Preparations: Apache, Let’s Encrypt, MySQL and phpMyAdmin Part 3: MTA: Postfix Part 4: IMAP server: Dovecot Part 5: Web interface: …

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Installing a mailserver on Debian 8/9 – Part 3: MTA: Postfix

Kapitein Vorkbaard 2016-03-29 Tech

How to install a complete mailserver on Debian 8/9, featuring Postfix, Dovecot, MySQL, Spamassassin, ClamAV, Roundcube and Fail2ban. ~ the howto that actually works ~ Part 1: Introduction Part 2: Preparations: Apache, Let’s Encrypt, MySQL and phpMyAdmin Part 3: MTA: Postfix Part 4: IMAP server: Dovecot Part 5: Web interface: …

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