Jo??o Miguel Neves: > Pawe? Le?niak escreveu: > > Jo?o Miguel Neves pisze: > >> Charles Marcus escreveu: > >>> Here's a link informing why indiscriminate use of SAV is bad, and what > >>> it should be used for: > >>> > >>> http://www.backscatterer.org/?target=sendercallouts > >> OK, I've finished reading and analyzing that text. My conclusion is > >> that there's no reason not to use reject_unverified sender.
Sender address probing works fine for tiny sites like mine, as long as one uses it responsibly - after unknown recipient checks, other sanity checks, blacklists and greylister, and with a decent amount of caching. I prefer not to spend the network, CPU and memory resources that are needed for deep inspection. Wietse