Spamhaus blocks port 25, not 587. If they blocked port 587, they would blanket ban all email clients...

GoblinSlayer • last Wednesday at 1:19 PM • 1 reply • view on HN

Spamhaus blocks port 25, not 587. If they blocked port 587, they would blanket ban all email clients.

pogue • last Wednesday at 1:31 PM

SpamHaus lists IPs to blocks, not ports.

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