[Postfixbuch-users] wieso greylisted?

[Robert Felber]

On Fri, Apr 20, 2007 at 01:15:22PM +0200, Olaf Zaplinski wrote:
> Hallo,
> 
> ich frage mich, wieso manche Hosts greylisted sind. Ein
> 
> cat mail.log|grep grey
> 
> spuckt z.B.
> 
> delayed 310 seconds: client=moutng.kundenserver.de
> 
> aus. Aber
> 
> echo moutng.kundenserver.de | postmap -fq - regexp:greylisted.regexp
> 
> bringt kein Ergebnis. Wieso also wurde dieser Host per Greylisting gesperrt?
> 
> 
> 
> Die Konfig dazu:
> 
> 
> smtpd_restriction_classes =
>          verify_sender
>          greylisting
> 
> verify_sender = reject_unverified_sender
> greylisting = check_policy_service inet:127.0.0.1:9998
> 
> 
> smtpd_recipient_restrictions =
>          permit_mynetworks
>          permit_sasl_authenticated
>          reject_unknown_sender_domain
>          reject_non_fqdn_sender
>          reject_non_fqdn_recipient
>          reject_unknown_recipient_domain
>          reject_unauth_destination

..........
>          check_client_access btree:/etc/postfix/check_client
>          check_sender_mx_access cidr:/etc/postfix/badmx.cidr
>          check_sender_mx_access regexp:/etc/postfix/badmx.regexp
>          check_recipient_access btree:/etc/postfix/check_recipient
>          check_sender_access regexp:/etc/postfix/check_sender.regexp
>          check_sender_access btree:/etc/postfix/check_sender
>          check_sender_access btree:/etc/postfix/verify_sender
...........

sind da irgendwelche 'greylisting' actions drinnen?
danach mal greppen



>          reject_rbl_client zen.spamhaus.org
>          reject_rbl_client dnsbl.njabl.org
>          reject_rhsbl_sender bogusmx.rfc-ignorant.org
>          check_client_access regexp:/etc/postfix/greylisted.regexp
>          reject_rbl_client bl.spamcop.net
> 
> 
> greylisted.regexp:
> 
> /^unknown$/                                             greylisting
> /(^|\.|-|internet)(a|s|)dsl.*/                          greylisting
> /(^|\.|-)(dial|ppp|pool|dhcp|dynamic(ip|)).*/           greylisting
> /cable/                                                 greylisting
> 
> /\.ar$/         greylisting
> /\.br$/         greylisting
> /\.cl$/         greylisting
> /\.cn$/         greylisting
> /\.hu$/         greylisting
> /\.it$/         greylisting
> /\.jp$/         greylisting
> /\.kr$/         greylisting
> /\.pl$/         greylisting
> /\.ro$/         greylisting
> /\.ru$/         greylisting
> /\.th$/         greylisting
> 
> 
> # -- everything with 3 or more dots/hyphens in the hostname
> /(\-.+){3}$/    greylisting
> /(\..+){3}$/    greylisting
> -- 
> _______________________________________________
> Postfixbuch-users -- http://www.postfixbuch.de
> Heinlein Professional Linux Support GmbH
> 
> Postfixbuch-users at listi.jpberlin.de
> http://listi.jpberlin.de/mailman/listinfo/postfixbuch-users

-- 
    Robert Felber (PGP: 896CF30B)
    Munich, Germany