Hi,
You can use ip whitelist likelist "broken mta" addr { \
}
from default greylist.conf file
and
list "good domains" domain { \
gmail.com \
google.com \
nicmail.ru \
mail.ru \
yandex.ru \
rambler.ru \
yandex.net \
}
domainexact
list "good domains" domain { \
gmail.com \
google.com \
nicmail.ru \
mail.ru \
yandex.ru \
rambler.ru \
yandex.net \
}
domainexact
These are domains of good MTAs (not email domains). Change it for your problem providers.
then whitelist them at the beginning of racl or dacl:
dacl whitelist list "broken mta"
dacl whitelist list "good domains" spf pass
dacl whitelist list "broken mta"
dacl whitelist list "good domains" spf pass
Instead
You can use milter-greylist -L cidrmask. For example -L 16 matches x.y.0.0/16. It will be enough for you to match all large emitter pools.
On Thu, Aug 4, 2016 at 6:12 PM, 'Grammes, Carsten' cgrammes@... [milter-greylist] <milter-greylist@yahoogroups.com> wrote:
Hello,
I'm using milter-greylist for quite some years. I have a probably simple
question. I found that many Spammers use SPF records so whitelisting
mails from MTAs with SPF records does not seem a solution to me.
Therefore I have nospf for years in my config. On the other hand there
are many big mail hosters sending from a whole bunch of MTAs. When they
get greylisted, the next attempt will come from another MTA so there's
another tupel IP, from, to and it gets greylisted again. In sum this
sometimes leads to good mail getting delayed for hours or days. How to
come around this problem?
I did not really find a documentation what the different values for
"spf" would mean. man page is rather short on this.
I want mail from one sender to one recipient get greylisted only the
configured timespan - regardless from which (spf verified) MTA the
connection attempt comes. I'm quite sure this is possible - just do not
know how...
Thx,
Carsten
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