07 next previous up Operational consequences of push vs. pull - Per-user info on server - malicious [un]subscription - privacy; nntp good - Dead subscribers - waste of traffic - automatic unsubscription? nntp good - Keep server off of blacklists; nntp good - Spread load over time - conflict with notification? only sort of; nntp good - Stupid autoresponders; nntp good - Per-forum subscription effort; nntp good