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Mailhardener
Mailhardener monitors all email activity across your domain to identify and prevent unauthorized use by spammers and fraudsters
verified Jul 12, 2026 · HTTP 200
CohortClass of 2026What it is
Mailhardener monitors all email activity across your domain to identify and prevent unauthorized use by spammers and fraudsters. The platform distinguishes between legitimate senders—including your team, marketing platforms, and automated systems—and malicious actors attempting to impersonate your domain. Strengthen email security and protect customer trust by detecting domain abuse in real time.
HTTP liveness
9 probes since Jun 16Jun 16Jul 12
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
462/4 signal families
Liveness40%1.00
Press30%no data
GitHub20%no data
Tranco10%0.57
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y