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Tag Archives: mail

Check number of outgoing mail through ASSP

Written on July 7, 2017 at 10:06, by

Last week we had a spam issue when a user’s mail credentials were apparently guessed or stolen. (Our mail server doesn’t do two factor yet.) A lot of spam was sent from that useraccount. To monitor our relay server I wrote a script that checks for unusual amounts of mail being sent. It sends a […]

Waarom Ziggo geen hostname uitdeelde, of: wat je moet doen om een mailserver te kunnen draaien op een Ziggo-consumentenlijn

Written on October 29, 2016 at 14:07, by

Voor de mensen die alleen op zoek zijn naar de oplossing: hij staat in de een-na-laatste paragraaf. Sommige mensen beklimmen ijsbergen zonder hulpmiddelen, anderen basejumpen. Ik niet – ik maak mailservers. Ieder zijn hobby. Voor een mailserver is niet zo veel nodig: de software is gratis; de hardware heb je meestal al staan (elke oude […]

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

Written on April 2, 2016 at 20:15, by

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: Roundcube Part 6: Spam filtering: […]

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

Written on March 31, 2016 at 16:05, by

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: Web interface: Roundcube Part 6: […]

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

Written on March 31, 2016 at 15:37, by

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: Roundcube Part 6: Spam filtering: […]

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

Written on March 31, 2016 at 10:45, by

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: Roundcube Part 6: Spam filtering: […]

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

Written on March 31, 2016 at 09:36, by

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: Roundcube Part 6: Spam filtering: […]

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

Written on March 31, 2016 at 09:35, by

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: Roundcube Part 6: Spam filtering: […]

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

Written on March 30, 2016 at 15:54, by

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: Roundcube Part 6: Spam filtering: […]

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

Written on March 30, 2016 at 15:45, by

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: Roundcube Part 6: Spam filtering: […]