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Tag Archives: mail

Automatically create Nextcloud links for attachments in Thunderbird

Written on December 11, 2017 at 06:27, by

Thunderbird can be set up to automatically use Nextcloud to send large attachments. This is convenient because not all mailservers have the same maximum attachment size. I’m mostly documenting this because I keep forgetting about it. If this article has helped you, feel free to click some of the ads on this page. It won’t […]

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: […]