Emailserver/DKIM (exim): Unterschied zwischen den Versionen
Aus SchnallIchNet
Cbs (Diskussion | Beiträge) |
Cbs (Diskussion | Beiträge) (→Exim4 (>= 4.69)) |
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==Exim4 (>= 4.69)== | ==Exim4 (>= 4.69)== | ||
+ | <pre> | ||
+ | ### transport/30_exim4-config_remote_smtp | ||
+ | ################################# | ||
+ | # This transport is used for delivering messages over SMTP connections. | ||
+ | remote_smtp: | ||
+ | debug_print = "T: remote_smtp for $local_part@$domain" | ||
+ | driver = smtp | ||
+ | .ifdef OUTGOING_INTERFACE | ||
+ | interface = OUTGOING_INTERFACE | ||
+ | .endif | ||
+ | dkim_domain = $sender_address_domain | ||
+ | dkim_selector = tsst2008 | ||
+ | dkim_private_key = /etc/exim4/${dkim_selector}.${dkim_domain}.private.pem | ||
+ | # to disable TLS on outgoing connections, uncomment this | ||
+ | # hosts_avoid_tls = * | ||
+ | </pre> |
Version vom 15. Januar 2009, 19:29 Uhr
Inhaltsverzeichnis
Key erzeugen
Public/Private Key Paar erstellen
openssl genrsa -out ./private/mail._domainkey.domain.tld.key 1024
Public Key extrahieren
openssl rsa -in ./private/mail._domainkey.domain.tld.sec.key -out ./certs/mail._domainkey.domain.tld.pub.key -pubout -outform PEM
DNS TXT-Tecord
p= string erzeugen
grep -v -e "^-" ./certs/mail._domainkey.domain.tld.pub.key | tr -d "\n"
dkim-public key
mail2009._domainkey IN TXT "v=DKIM1\; k=rsa\; t=y\;p=MIGfMA0GCSqGSIb3D.....DTm+gq9FwsB/PSdrbYeEQIDAQAB"
_ssp ist die Senderpolicy für DKIM. unknown heisst es wird signiert oder auch nicht
_ssp._domainkey IN TXT "t=y\; dkim=unknown"
Spamassassin
installiere abhaengigkeiten fuer DKIM
apt-get install libmail-dkim-perl
In der local.cf einfach eingetragen:
loadplugin Mail::SpamAssassin::Plugin::DKIM
Exim4 (>= 4.69)
### transport/30_exim4-config_remote_smtp ################################# # This transport is used for delivering messages over SMTP connections. remote_smtp: debug_print = "T: remote_smtp for $local_part@$domain" driver = smtp .ifdef OUTGOING_INTERFACE interface = OUTGOING_INTERFACE .endif dkim_domain = $sender_address_domain dkim_selector = tsst2008 dkim_private_key = /etc/exim4/${dkim_selector}.${dkim_domain}.private.pem # to disable TLS on outgoing connections, uncomment this # hosts_avoid_tls = *