Trumailo

Intelligent email verification. More engagement, less hassle

19 followers

Intelligent email verification. More engagement, less hassle

19 followers

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Authentication & identity tools

Trumailo helps you verify and clean your email lists with fast, reliable, and secure email checking. Improve deliverability and protect your sender reputation.

ElevenAgents by ElevenLabsScale conversations without scaling your team

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Trumailo Launches

Trumailo - Realtime Email VerificationEight checks. Ten milliseconds.

Launched on June 8th, 2026

TrumailoEmail verification saas FREE UNLIMITED

Launched on September 16th, 2025

TrumailoIntelligent email verification. More engagement, less hassle

Launched on August 8th, 2025

Forum Threads

p/trumailo

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22d ago

After 2,100 emails bounced from one campaign, I built my own verification API. Live on PH today.

A few months ago I ran a campaign to ~14,000 emails I'd collected through legitimate signups. 2,100 bounced. Our sender reputation tanked, mailbox providers throttled the next three sends, and the

open-rate cohort took a quarter to recover.

The infuriating part: most of those addresses looked fine. Valid format. MX records present. A free verifier had marked them deliverable.

Turns out most email verifiers stop at the easy checks. Format and MX get you ~60% of the way. The remaining 40% disposable inboxes (Mailinator etc.), role addresses, typo'd domains (gmial.com),

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