Hello!
Ok here some stats from some of our server with following setup:
Spamdyke
idle-timeout-secs=300
reject-identical-sender-recipient
sender-blacklist-file=/var/qmail/control/blacklist_senders
recipient-blacklist-file=/var/qmail/control/blacklist_recipients
recipient-whitelist-file=/var/qmail/control/whitelist_recipients
recipient-whitelist-file=/var/qmail/control/whitelist_recipients_cp
ip-in-rdns-keyword-blacklist-file=/var/qmail/control/ip-in-rdns-keyword-blacklist-file
ip-in-rdns-keyword-whitelist-file=/var/qmail/control/ip-in-rdns-keyword-whitelist-file
ip-blacklist-file=/var/qmail/control/blacklist_ip
ip-whitelist-file=/var/qmail/control/whitelist_ip
reject-empty-rdns
reject-unresolvable-rdns
reject-missing-sender-mx
rdns-whitelist-file=/var/qmail/control/whitelist_rdns
Qmail
Vpopmail
Greylisting via qmail-spp Plugin Script
Greylisting Keys are (Sender, Sender-IP - Recipient,Recipient-IP).
Greylisting Time 300s
Greylisting database clean-up once a day:
Greylist-Timeout 12000s (greylisted older than 3h)
Whitelist-Timeout 3110400s (no mails within 36 days)
So it's a little bit different from using spamdyke's greylisting which
may open another viewpoint for the topic.
I have counted 51086 entries overall. The count of entries with only one single
(initial greylisted) connection is 4056. All other table entries have
counted one another mail at least. Therefor, only about 8% of the
connections coming through spamdyke have been blocked by greylisting.
Best,
Hartmut
On 11 Jul 12, Peter Palmreuther wrote:
> Am 10.07.2012 um 01:08 schrieb Sam Clippinger:
> >
> > I just ran a few quick greps on my own server's logs for today [...]
>
> Just for the record I did a little math on my greylist cleanup log files of
> this year.
> As for all stats it's value lies in the eye of the beer^h^hholder:
>
> I have an average delete of ~36 greylist files older than 7 days every day.
> At the same time my script deletes around 121 empty files, i.e. greylist
> files being empty and not younger than one day.
>
> It's, as one can see, not a high volume MTA, but seems to indicate there's
> still good reasons - at least for my domains - to do greylisting.
> Additionally I have to admit the variance is pretty huge. Smallest "emtpy"
> deletes in 2012 is 5, biggest 1295. Smallest "too old" is 3, biggest 92.
>
> Maybe I find a way to constantly monitor and stat-count MTA logs too, which
> could additionally give some numbers about other blocking reasons.
> --
> Regards,
>
> Peter
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>
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