Re: exim и greylist (!DKIM)
On Tue, Sep 19, 2017 at 12:13:30PM +0300, Andrey Jr. Melnikov wrote:
> Eugene Berdnikov <bd4@protva.ru> wrote:
> > Ну а поскольку грейлистинг на стадии RCPT убивает 97-98% спама, то
> > переность его на стадию DATA ради привязки к DKIM нет никакого смысла.
> Да не убивает он ничего уже давно, как и SPF. Так, только делает вид.
# greylist stats root@passat 0:08
Statistics since Tue Feb 13 16:22:00 2007 (3871 days and 8 hours ago)
---------------------------------------------------------------------
4202 items, matching 326526 requests, are currently whitelisted
0 items, matching 0 requests, are currently blacklisted
85 items, matching 142 requests, are currently greylisted
Of 16268935 items that were initially greylisted:
- 1772014 ( 10.9%) became whitelisted
- 14496921 ( 89.1%) expired from the greylist
# greylist stats root@typhoon 0:08
Statistics since Tue Feb 13 16:22:00 2007 (3871 days and 8 hours ago)
---------------------------------------------------------------------
3729 items, matching 336816 requests, are currently whitelisted
0 items, matching 0 requests, are currently blacklisted
61 items, matching 113 requests, are currently greylisted
Of 15201268 items that were initially greylisted:
- 1714227 ( 11.3%) became whitelisted
- 13487041 ( 88.7%) expired from the greylist
# greylist stats root@tornado 0:09
Statistics
----------
3729 items, matching 350488 requests, are currently whitelisted
0 items, matching 0 requests, are currently blacklisted
61 items, matching 113 requests, are currently greylisted
Of 11104242 items that were initially greylisted:
- 1328121 ( 12.0%) became whitelisted
- 9776121 ( 88.0%) expired from the greylist
# greylist stats root@citrine 0:09
Statistics
----------
3812 items, matching 374019 requests, are currently whitelisted
0 items, matching 0 requests, are currently blacklisted
63 items, matching 115 requests, are currently greylisted
Of 11206337 items that were initially greylisted:
- 1339635 ( 12.0%) became whitelisted
- 9866702 ( 88.0%) expired from the greylist
Правда, тут не чистая статистика, а после выполнения sender verify.
Так что подтвердить слова о 97-98% не могу, но утверждение о том, что
грейлистинг "давно не работает", это явно преувеличение. :)
А вот эффект от проверки SPF действительно весьма скромный.
--
Eugene Berdnikov
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