> On Mar 28, 2016, at 5:53 PM, jaso...@mail-central.com wrote:
> 
> How would I match/block access to mail sent from MTAs that have FQDNs that 
> start with
> 
>    mta-wk-*
> 
> it's not a header, it's not content, it's not an IP ...
> 
> but, it's clearly logged in my postfix logs
> 
>       postfix.log:Mar 24 13:00:42 mail2 postfix/int01/smtpd[20932]: connect 
> from mta-wk-1.mk1.ratineer.com[82.196.0.148]

mta-wk-1.mk1.ratineer.com has address 82.196.0.148
mta-wk-1.mk2.ratineer.com has address 198.199.127.53
mta-wk-1.mk3.ratineer.com has address 198.211.125.202
mta-wk-2.mk1.ratineer.com has address 82.196.2.106
mta-wk-2.mk2.ratineer.com has address 82.196.0.108
mta-wk-2.mk3.ratineer.com has address 198.211.126.47
mta-wk-3.mk1.ratineer.com has address 82.196.2.62
mta-wk-3.mk2.ratineer.com has address 37.139.10.126
mta-wk-3.mk3.ratineer.com has address 198.211.119.74
mta-wk-4.mk1.ratineer.com has address 82.196.7.244
mta-wk-4.mk2.ratineer.com has address 82.196.0.161
mta-wk-4.mk3.ratineer.com has address 82.196.1.172
mta-wk-5.mk1.ratineer.com has address 82.196.7.81
mta-wk-5.mk2.ratineer.com has address 37.139.12.112
mta-wk-5.mk3.ratineer.com has address 82.196.9.12
mta-wk-6.mk1.ratineer.com has address 37.139.2.211
mta-wk-6.mk2.ratineer.com has address 198.211.125.249
mta-wk-6.mk3.ratineer.com has address 82.196.0.113
mta-wk-7.mk1.ratineer.com has address 37.139.3.68
mta-wk-7.mk2.ratineer.com has address 198.211.126.201
mta-wk-7.mk3.ratineer.com has address 82.196.0.124

ratineer.com.           600     IN      NS      kilmer-dns2.synapp.io

main.cf:
    smtpd_client_restrictions =
        check_ns_access pcre:${config_directory}/ns-access.pcre

    smtpd_restriction_classes = no_mta_wk

    no-mta-wk =
        reject_unknown_client,
        check_client_access pcre:${config_directory}/no-mta-wk.pcre

ns-access.pcre:
    /\.synapp\.io$/     no_mta_wk

no-mta-wk.pcre:
    /^mta-wk-\d/        REJECT -Your reject message here-

-- 
        Viktor.

Reply via email to