Knowledgebase von Gerald Allerstorfer
Installation instructions for an opensource email filter with antivirus/antispam, automatic spam/ham training, white/blacklists and allowed dots for IMAP foldernames. Configuration examples for Postfix, Dovecot, Rspamd, ClamAV, Sieve, getmail and Monit.
WeiterlesenHow to make Rspamd train spam/ham automatically. If an email is moved to the IMAP Junk folder, Rspamd should automatically learn it as spam. If the email is moved out
WeiterlesenNormally Rspamd only inserts “X-Spam: Yes” into the header of a spam mail and the extended spam headers are only visible in the Rspamd log file or in the “History”
WeiterlesenRspamd uses its own white/blacklists, some of which are updated online all the time. This can influence the user’s white/blacklist settings and for example lead to system messages to root
WeiterlesenDies geschieht mit der Schaltfläche Spam. Die betreffene Nachricht (oder mehrere Nachrichten) markieren und auf die Schaltfläche Spam klicken. Dies befördert die Nachricht(en) in den Spam-Ordner und trainiert gleichzeitig den
WeiterlesenDas Dovecot Antispam-Plugin bewirkt, daß manuell in den Spam-Ordner verschobene Nachrichten den Spamfilter von Spamassassin trainieren. Allerdings wirkt sich das immer serverweit aus. Was also für den einen Nutzer gut
WeiterlesenExpunge spam mails older then 10 days for all accounts in domain domain.xx /usr/bin/doveadm -Dv expunge -u *@domain.xx mailbox Junk savedbefore 10d
WeiterlesenInstall missing packages sa-update -D perl -MCPAN -e shell Install additional spamassassin rulesets of Schaal-IT and Heinlein Support. sa-update –nogpg –channel sa.schaal-it.netsa-update –nogpg –channel spamassassin.heinlein-support.de Setup cronjob vi /etc/cron.hourly/sa-update chmod
Weiterlesenapt update && apt -y upgrade && apt -y install opendmarc Modify opendmarc.service vi /lib/systemd/system/opendmarc.service systemctl daemon-reload Edit /etc/opendmarc.conf vi /etc/opendmarc.conf Adjust mail.domain.xx to your FQDN Create ignore.hosts mkdir -p
WeiterlesenA DMARC policy allows a sender to indicate that his emails are protected by SPF and/or DKIM, and gives instructions on how to proceed if none of these authentication methods
Weiterlesen