Hello, Rolf Kutz wrote:
emails because of obviously nonexistent envelope addresses, that doesn't count those systems where we don't accept mail from *at all* because they are dialup systems. This, however, is a small system with 10 email
How do you define dialup systems and tell dialup systems from other systems?
There is a database where ISPs can register the ranges they assign for dialup users.
Description: OpenPGP digital signature