opensmtpd
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OpenSMTPD
Installieren mit:
apt install opensmtpd opensmtpd-filter-senderscore mariadb-client mariadb-server
Dann die Datei /etc/smtpd.conf anpassen. Meine sieht jetzt so aus:
pki "mail.domain.tld" cert "/etc/letsencrypt/live/mail.domain.tld/fullchain.pem" pki "mail.domain.tld" key "/etc/letsencrypt/live/mail.domain.tld/privkey.pem" srs key "lassdirwasschöneseinfallenhier" # internal aliases to root table aliases file:/etc/mail/aliases # External Mails in Database vmail table domains mysql:/etc/mail/mysql.conf table virtuals mysql:/etc/mail/mysql.conf table credentials mysql:/etc/mail/mysql.conf filter check_rdns phase connect match !rdns \ disconnect "550 no rDNS" filter senderscore \ proc-exec "filter-senderscore -junkBelow 70 -slowFactor 5000" filter rspamd proc-exec "filter-rspamd" listen on eth0 tls pki mail.domain.tld filter { senderscore, rspamd, check_rdns } listen on eth0 port 465 smtps pki mail.domain.tld auth <credentials> filter { rspamd } listen on eth0 port 587 tls-require pki mail.domain.tld auth <credentials> filter { rspamd } action "local_mail" mbox alias <aliases> action "domain_mail" maildir "/var/vmail/%{dest.domain:lowercase}/%{dest.user:lowercase}" virtual <virtuals> action "outbound" relay action "RECV" lmtp "/var/run/dovecot/lmtp" rcpt-to virtual <virtuals> # match from any for domain <domains> action "domain_mail" match from any for domain <domains> action "RECV" match from local for local action "local_mail" match from local for any action "outbound" match auth from any for any action "outbound"
Die oben erwähnte mysql.conf sieht bei mir folgendermasen aus, das muss man dann eben auf sein Datenbankschema anpassen, aber zum dokumentieren der Syntax einmal hier:
host localhost username vmail password DatenbankPasswort database vmail query_alias SELECT destination FROM virtuals WHERE email=?; query_credentials SELECT user, password FROM credentials WHERE user=?; query_domain SELECT domain FROM domains WHERE domain=?;
opensmtpd.1702494984.txt.gz · Last modified: 2023/12/13 19:16 by admin