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Sigmail
Sigmail uses artificial intelligence to personalize sales and marketing emails at scale, improving response rates and lead generation while maintaining inbox deliverability
last checked Jul 13, 2026 · Unknown
CohortClass of 2026What it is
Sigmail uses artificial intelligence to personalize sales and marketing emails at scale, improving response rates and lead generation while maintaining inbox deliverability. The platform automates personalized outreach to help teams engage prospects more effectively and avoid spam filters.
HTTP liveness
9 probes since Jun 16Jun 16Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — unverifiedUnknown
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Pulse Indexobserved activity
9 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y