57 lines
1.5 KiB
Markdown
57 lines
1.5 KiB
Markdown
# rspamd
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## configuration
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### redis
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configure redis and tell rspamd to use it:
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```
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redis:
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instances:
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- name: rspamd
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socket_enabled: true
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maxmemory: 200M
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maxmemory_policy: volatile-ttl
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- name: rspamd-bayes
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socket_enabled: true
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maxmemory: 500M
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maxmemory_policy: volatile-ttl
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- name: rspamd-fuzzy
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socket_enabled: true
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maxmemory: 200M
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maxmemory_policy: volatile-ttl
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rspamd:
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local_configs:
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redis.conf:
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servers: /var/run/redis/redis-rspamd.sock
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classifier-bayes.conf:
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backend: redis
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servers: /var/run/redis/redis-rspamd-bayes.sock
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worker-fuzzy.inc:
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backend: redis
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servers: /var/run/redis/redis-rspamd-fuzzy.sock
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```
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### milter
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add rspamd to your smtpd_milters:
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```
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postfix:
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smtpd_milters:
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- "inet:localhost:11332"
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```
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## dkim signing
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rspamd can sign outgoing mails with dkim. the following steps are necessary:
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* create a keypair: `rspamadm dkim_keygen -d <domain> -s <selector>`
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* domain should be the domain you want to sign mails for
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* selector should be an unique identifier, for example: 2021020801
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* add dns record
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* create private key file at `/var/lib/rspamd/dkim/<domain>.<selector>.key`
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* `chown _rspamd /var/lib/rspamd/dkim/*`
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* `chmod u=r,go= /var/lib/rspamd/dkim/*`
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* create/update selector in `/etc/rspamd/dkim_selectors.map`: `<domain> <selector>`
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## spam learning
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To train ham/spam from move actions from/to junk folder, `imap_sieve` needs to be enabled in dovecot.
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