On Tue, Sep 19, 2017 at 12:13:30PM +0300, Andrey Jr. Melnikov wrote: > Eugene Berdnikov <b...@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