wayne wrote:
Vernon is correct. Both the transports NNTP and SMTP are push, while
the user agents for news and email are pull.
Yes, Vernon is very right.
(I'm not sure why this makes any difference at all, but...)
It doesn't.
The difference between Usenet and Email spam is that one logical Usenet
article reaches everyone. If you can cause that to be erased (by a
"cancel"), then it's gone for everyone.
With email, there's thousands of logically different messages, each to
different people, where only a few people see each one. If they delete
their copy, it doesn't affect the others.
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