Interactive Guide
Everything between clicking “send”
and reaching the inbox
Every email passes through 5 stages before it reaches someone’s inbox. Most problems — bounces, spam folder, low open rates — happen because one stage is broken. This guide shows you each stage, what can go wrong, and what QEV covers.
New to email verification? Start here. Already verified? Go to the Results Guide or Setup Checklist.
QEV covers this
QEV helps check this (free tools)
Other tools handle this
01
Build Your List
Where your email addresses come from
Before QEV
▼
Prospecting tools
Apollo, ZoomInfo, Cognism — export leads
Signup forms
Website, landing pages, webinars
Source quality matters
Where your list came from determines what you find when you verify
See catch-all rates by source →↓
02
Verify Your List
Which emails are real, risky, or dead
QEV’s Core
▼
Bulk verification
Upload your list, get it cleaned
Results guide →8 categories
Safe, catch-all, role-based, invalid, disposable, did-you-mean, free, unknown
Valid vs safe →Real-time API
Block fake signups at the point of entry
Form verification →Cost & ROI math
Verification cost vs ESP waste, domain replacement
See the math →↓
03
Set Up Your Sending
Authentication, warmup, and reputation
QEV free tools
▼
Email authentication
SPF, DKIM, DMARC — prove Gmail you’re legitimate
Check yours (free) →Domain warmup
Gradually build trust. Must verify BEFORE loading leads.
Why verification comes first →Sender reputation
The invisible score — bounces from unverified lists are the #1 killer
How it works →Blacklist check
Is your domain on a blocklist?
Check now (free) →↓
04
Send Your Emails
Campaign execution through your ESP or email sending tool
Other tools
▼
Load only “Safe to Send”
From your QEV results — the one file that goes into your sending tool
Safe to Send guide →Campaign/sequence setup
Subject lines, timing, content — your ESP or sequencer handles this
Sending tools
Instantly, Lemlist, Smartlead (outbound) · ActiveCampaign, Mailchimp, HubSpot (marketing)
↓
05
Monitor & Maintain
Keep your sending healthy over time
QEV + free tools
▼
Re-verify every 60-90 days
Lists go stale — 2-3% of addresses stop working every month
Back to results guide →Domain health check
Authentication + blacklists + reputation — check all three
Check yours →Content analytics
Open rates, click rates, A/B testing — your ESP’s job
Start with a clean list.
Verification is stage 2 — and everything else depends on it. Upload free.
Verify Your List Free
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Certified
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GDPR
Compliant
Compliant
CCPA
Compliant
Compliant
HIPAA
Compliant
Compliant
99% Accuracy
Guaranteed
Guaranteed