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09Blacklist wikiWidely used · 9/55
all.s5h.net

S5H

S5H is an independent DNS blacklist that monitors for spam and abusive email sending. Listings are automated based on spam trap hits.

Tier

Widely used

Impact

Medium — Used by some email administrators and spam filtering services.

Auto-expiry

Auto-expires within a few days after spam stops.

What it lists

IP addresses detected sending spam to S5H monitoring networks.

How to get delisted

5 steps
  1. 01Visit s5h.net and check your IP status
  2. 02Listings typically expire automatically within a few days
  3. 03Stop any spam sources from your network
  4. 04Check for compromised accounts or scripts
  5. 05Contact S5H via their website if you believe it's a false positive
Open the removal formhttp://www.s5h.net/

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