Site index
Every page on Outsolvi
402 pages across 16 content surfaces. The full site, one page deep, in case you came here looking for something specific.
Articles
33 pages
- Email tracking in Gmail: what really works
- Saleshandy retired its email tracker. What now?
- Outsolvi reviews on G2 and Trustpilot
- Email tracking in Outlook: what really works
- What is Outsolvi? A plain answer
- What is a real email open? (And why most trackers can't tell)
- Why your email open rate is wrong, and by how much
- How to tell if a real person opened your email
- Bot opens vs human opens: the difference in plain English
- Why Apple Mail says everyone opened your email
- What is a Gmail proxy open, and should it count?
- Email tracking false positives, explained simply
- How AI can tell a human opened your email
- Why your tracker says 47 opens when 3 people read it
- What spam filters do to your open rate
- When to trust an open notification (and when not to)
- How confident should you be in an email open? A simple guide
- Why Sales Teams Lose 23% of Deals in Their Own Inbox
- Email Tracking Metrics That Actually Drive Revenue in 2026
- The Science of Follow-Up Timing: The 4-Hour Window in 2026
- B2B Email Subject Lines That Convert (Measured by Reply Rate, Not Open Rate)
- How to Set Up Email Tracking in Outlook and Gmail: The 2026 Practical Guide
- AI Email Insights for Sales Teams: What Actually Works in 2026
- Email Tracking + CRM Integration: Webhook Patterns That Keep the Pipeline Accurate
- Email Tracking for Outlook vs Gmail: Why the Two Ecosystems Behave Differently
- Email Tracking, Privacy, and Security: The 2026 Sales Leader Guide
- How to Choose an Email Tracking Tool: The 2026 Buyer Decision Framework
- Your Email Open Rate Is Lying to You. Here's the Math.
- Why your email open count is lying to you (and how we fixed it)
- The State of B2B Email Tracking in 2026: Why Half Your Open Data is Noise
- Email Tracking Confidence Scoring: The 5-Tier Framework for Filtering Apple MPP and Bot Opens
- Inside the Gmail Image Proxy: How Google Inflates Your B2B Open Rate (And What To Do About It)
- Follow-up sequences that don't get ignored
Free tools
100 pages
- Outsolvi ROI Calculator
- Apple MPP Impact Estimator
- Open Rate Accuracy Checker
- Cost-Per-Meeting Calculator
- Reply Rate Target Calculator
- Sales Cycle Length Calculator
- SPF Record Generator
- DMARC Policy Generator
- UTM Link Builder
- Email Signature Generator
- Unsubscribe Link Template
- HTML to Plain Text Email Converter
- SPF Record Validator
- DMARC Record Validator
- Email Address Syntax Validator
- Email Subject Line Analyzer
- B2B Reply Rate Benchmarks
- B2B Open Rate Benchmarks
- Best Send Time Lookup
- CSV Email List Deduplicator
- Email Bounce Rate Calculator
- Monthly Email Volume Planner
- Annual vs Monthly Billing Savings
- Email Click-Through Rate Calculator
- B2B Email List Decay Projection
- Sender Warm-Up Schedule
- DKIM Record Checker
- Out-of-Office Message Generator
- Calendar Booking Link Builder
- Mailto Link Builder
- Plain-Text Email Divider Generator
- Email Headers Parser
- URL Encoder / Decoder
- B2B Bounce Rate Benchmarks by Industry
- Email Client Market Share 2026
- Email Spam Trigger Words Reference
- Email Preview Text Analyzer
- Email Readability Checker
- JSON ↔ CSV Email List Converter
- Email Text Case Converter
- Email Blast Cost Calculator
- Meeting Booking Rate Calculator
- Deliverability Score Estimator
- Sender Reputation Tier Calculator
- Daily Send Cap Calculator
- BIMI Record Generator
- MTA-STS Policy Generator
- TLS Reporting Record Generator
- Opt-In Confirmation Email Generator
- One-Click Unsubscribe Header Builder
- Email Preheader Tester
- Subject Line Emoji Render Checker
- Header From vs Envelope From
- MX Record Lookup & Explainer
- PTR Record Checker
- ARC Seal Explainer
- List-Unsubscribe Header Generator
- Email HTML Stripper
- Markdown to Email-Safe HTML
- Soft vs Hard Bounce Classifier
- Gmail Postmaster Tools Setup Checklist
- Microsoft SNDS + JMRP Setup Checklist
- DMARC Aggregate Report Parser
- Email Address Regex Builder
- Alias vs Plus-Address Explainer
- Outreach Cooldown Calculator
- Send Time by Recipient Timezone
- Prospect List Size Calculator
- Catch-All Domain Detector
- Disposable Email Detector
- Role Account Detector
- Email Address Normalizer
- Gmail Search Operator Cheatsheet
- Outlook Search Operator Cheatsheet
- IMAP vs POP vs Exchange
- Email Thread-ID Explainer
- RFC 5322 Message-ID Generator
- Received Header Chain Parser
- MIME Boundary Generator
- Email Size Calculator
- Yahoo Complaint Feedback Loop Setup
- Apple Mail Rendering Differences
- Gmail vs Outlook Rendering Quirks
- Cold Outreach Email Template Generator
- Follow-Up Email Template Generator
- Meeting Request Email Template Generator
- Renewal Nudge Email Template Generator
- Breakup Email Template Generator
- Voicemail Script Generator (Email-Companion)
- LinkedIn Connection Note Generator
- Email Snippet Personalizer
- IP Blacklist (RBL/DNSBL) Checker Explainer
- Spamhaus ZEN Explainer
- Google Feedback Loop (FBL) Explainer
- Complaint Rate Target Calculator
- Engagement Decay Half-Life Calculator
- SSL vs TLS for SMTP Explainer
- STARTTLS vs Implicit TLS Explainer
- Email Channel Attribution Explainer
- Weekly Deliverability Health Checklist
Compare
19 pages
- Outsolvi vs Saleshandy
- Outsolvi vs Yesware
- Outsolvi vs Mixmax
- Outsolvi vs Streak
- Outsolvi vs GMass
- Outsolvi vs Mailtrack
- Outsolvi vs Boomerang
- Outsolvi vs Right Inbox
- Outsolvi vs Mailbutler
- Outsolvi vs HubSpot Sales Hub
- Outsolvi vs Snov.io
- Outsolvi vs Cirrus Insight
- Outsolvi vs Vocus.io
- Outsolvi vs EmailAnalytics
- Outsolvi vs HeyReach
- Outsolvi vs La Growth Machine
- Outsolvi vs Expandi
- Outsolvi vs Dripify
- Outsolvi vs Waalaxy
Alternatives
14 pages
- Best Yesware Alternatives in 2026
- Best Mailtrack Alternatives in 2026
- Best Mixmax Alternatives in 2026
- Best Streak Alternatives in 2026
- Best Saleshandy Alternatives in 2026
- Best HubSpot Sales Hub Alternatives in 2026
- Best Boomerang Alternatives in 2026
- Best Right Inbox Alternatives in 2026
- Best GMass Alternatives in 2026
- Best Snov.io Alternatives in 2026
- Best Mailbutler Alternatives in 2026
- Best Cirrus Insight Alternatives in 2026
- Best Vocus.io Alternatives in 2026
- Best EmailAnalytics Alternatives in 2026
Best of
28 pages
- Best Email Tracking Software in 2026
- Best Email Tracking for Outlook in 2026
- Best Email Tracking for Gmail in 2026
- Best Free Email Tracking in 2026
- Best Email Tracking for Small Business in 2026
- Best Cheap Email Tracking Under $10/mo in 2026
- Best Saleshandy Alternative for Outlook (2026)
- Best Email Tracker That Doesn't Store Message Body
- Best Outlook Email Tracker with AI Follow-Up
- Email Tracker Under $10/Month for Outlook
- Best Email Tracker with Confidence Scoring
- Best Mailtrack Alternative for Outlook
- Best Mixmax Alternative for Outlook
- Best Email Tracker for HubSpot Users
- Best Email Tracker for Salesforce Users
- Best Email Tracker for Pipedrive Users
- Best Email Tracker for Startups in 2026
- Best Email Tracker for Recruiters in 2026
- Best Email Tracker for Consultants and Agencies in 2026
- Best Email Tracker for Investor Outreach and Fundraising in 2026
- Best Email Tracker for Customer Success Teams in 2026
- Best Mailtracker Alternatives for Outlook and Gmail in 2026
- Best Email Tracker for Real Estate Agents in 2026
- Best Email Tracker for Financial Advisors in 2026
- Best Email Tracker for Marketing Agencies in 2026
- Best Email Tracker for Account Executives in 2026
- Best Email Tracker for SDRs and BDRs in 2026
- Best Email Tracker With Zapier Integration in 2026
Head-to-heads
58 pages
- Yesware vs Mailtrack in 2026: Which Email Tracker Wins on Price, Features, and Outlook?
- Yesware vs Mixmax in 2026: Outlook + Gmail vs Gmail-Only Engagement
- Mixmax vs Mailtrack in 2026: Premium Gmail Engagement vs Cheap Gmail Tracking
- Streak vs Mixmax in 2026: Gmail-Native CRM vs Gmail Engagement Platform
- Yesware vs Streak in 2026: Sales Engagement Platform vs Gmail-Native CRM
- Yesware vs HubSpot Sales Hub in 2026: Standalone Engagement vs Full Platform
- Saleshandy vs Yesware in 2026: Cold Outreach vs Relationship Selling
- Saleshandy vs GMass in 2026: Two Cold-Outreach Engines, Two Different Bets
- Mailtrack vs Streak in 2026: Cheap Gmail Tracking vs Gmail-Native CRM
- Mixmax vs HubSpot Sales Hub in 2026: Gmail Engagement vs HubSpot Platform
- Streak vs HubSpot Sales Hub in 2026: Gmail-Native CRM vs Full HubSpot Platform
- GMass vs Mailtrack in 2026: Mail Merge at Volume vs Basic Open Tracking
- Saleshandy vs Mailtrack (2026): Sequencing Platform vs Solo Tracker
- Saleshandy vs Mixmax (2026): Cold-Outbound Sequencer vs Gmail Productivity Layer
- HubSpot Sales Hub vs Saleshandy (2026): Platform CRM vs Cold-Outbound Engine
- Right Inbox vs Mailtrack (2026): Gmail Productivity vs Solo Tracker
- Boomerang vs Mailtrack (2026): Schedule-Send Tool vs Solo Tracker
- Streak vs Mailtrack (2026): Gmail-Native CRM vs Solo Tracker
- GMass vs Mixmax (2026): Mail-Merge Engine vs Gmail Productivity Layer
- HubSpot Sales Hub vs Mailtrack (2026): Platform CRM vs Solo Tracker
- Snov.io vs Saleshandy (2026): Cold-Outbound Platforms Compared
- Mailbutler vs Mailtrack (2026): Productivity Suite vs Solo Tracker
- Right Inbox vs Streak (2026): Gmail Productivity vs Gmail CRM
- EmailAnalytics vs Yesware (2026): Manager Reporting vs AE Tracking
- Vocus.io vs Mailtrack (2026): Productivity vs Solo Tracker
- Cirrus Insight vs Yesware (2026): Salesforce-Native Inbox Tools
- Cirrus Insight vs HubSpot Sales Hub (2026): Salesforce Native vs HubSpot Native
- Right Inbox vs Yesware (2026): Gmail-Only Productivity vs Cross-Platform Sales Tool
- Mailbutler vs Yesware (2026): Apple Mail Native vs Salesforce Native
- EmailAnalytics vs Mailtrack (2026): Manager Reporting vs Solo Tracker
- Vocus.io vs Yesware (2026): Light Productivity vs Sales Suite
- Boomerang vs Yesware (2026): Scheduling Tool vs Sales Suite
- Snov.io vs Mailtrack (2026): Cold-Outbound Platform vs Solo Tracker
- Streak vs Saleshandy (2026): Gmail-Native CRM vs Cold-Outbound Engine
- Boomerang vs Streak (2026): Scheduling Tool vs Gmail CRM
- Mixmax vs Saleshandy (2026): Gmail Productivity vs Cold-Outbound Engine
- Mailbutler vs Mixmax (2026): Apple Mail Native vs Gmail Productivity
- Snov.io vs Yesware (2026): Prospecting + Outbound vs Sales-Team Tool
- GMass vs Yesware (2026): Mail-Merge vs Sales-Team Standard
- Right Inbox vs Mixmax (2026): Productivity Layer vs Productivity + Calendar
- EmailAnalytics vs Mixmax (2026): Manager Reporting vs AE Productivity
- Cirrus Insight vs Mailtrack (2026): Salesforce-Native vs Solo Tracker
- Vocus.io vs Saleshandy (2026): $5 Gmail Productivity vs Cold-Outbound
- Boomerang vs HubSpot Sales Hub (2026): Scheduling Tool vs Platform CRM
- Mailbutler vs HubSpot Sales Hub (2026): Apple Mail Productivity vs Platform CRM
- Snov.io vs GMass (2026): Prospecting + Outbound vs Gmail Mail-Merge
- EmailAnalytics vs Streak (2026): Manager Reporting vs Gmail CRM
- EmailAnalytics vs HubSpot Sales Hub (2026): Manager Reporting vs Platform CRM
- Cirrus Insight vs Streak (2026): Salesforce-Native vs Gmail CRM
- Snov.io vs Mixmax (2026): Prospecting + Outbound vs Gmail Productivity
- Boomerang vs Mixmax (2026): Scheduling Tool vs Full Gmail Productivity Suite
- Right Inbox vs Saleshandy (2026): Gmail Productivity vs Cold-Outbound Engine
- Mailbutler vs Saleshandy (2026): Apple Mail Productivity vs Cold-Outbound
- EmailAnalytics vs Saleshandy (2026): Manager Reporting vs Cold-Outbound Stack
- Cirrus Insight vs Saleshandy (2026): Salesforce-Native vs Cold-Outbound
- Right Inbox vs HubSpot Sales Hub (2026): Gmail Productivity vs Platform CRM
- Snov.io vs Streak (2026): Prospecting Platform vs Gmail CRM
- Vocus.io vs Mixmax (2026): $5 Productivity vs $29 Calendar Polish
Glossary
46 pages
- Apple Mail Privacy Protection
- Email Tracking Pixel
- Email Open Rate
- Gmail Image Proxy
- Email Deliverability
- SPF, DKIM, and DMARC
- Sender Reputation
- Email Warm-up
- Cold Email
- Email Bounce Rate
- SPF Record
- DKIM Signature
- DMARC Policy
- BIMI
- Email Warmup
- Soft Bounce
- Hard Bounce
- Reply Rate
- Reply Sentiment Analysis
- Hot Lead Detection
- Send Time Optimization
- Email Engagement Score
- Office.js Add-in
- Click-Through Rate
- Unsubscribe Rate
- Smart Compose
- Inbox Placement
- Spam Trap
- Email Blacklist
- Catch-All Email
- MX Record
- Tracking Link Wrapper
- Email Suppression List
- Mailbox Provider
- Email Throttling
- Double Opt-In
- Email Header Analysis
- Transactional Email
- Cold vs Warm Outreach
- Email Tracking Pixel Detection
- Preview Text
- Open Tracking vs Click Tracking
- Email Segmentation
- Email Automation
- Spam Folder vs Quarantine
- Engagement Time of Day
Features
16 pages
- Automated Follow-Up Sequences
- Multi-Channel Outreach (Email + LinkedIn)
- LinkedIn Automated Follow-Up
- Email Open Confidence Scoring
- Diagnose: Per-Open Evidence View
- Hot Lead Detection
- AI Reply Sentiment Analysis
- Unified Outlook + Gmail Dashboard
- Send-Time Optimization
- Metadata-Only Privacy Architecture
- Real-Time Push Notifications
- Document Link Tracking
- Team Dashboards
- Smart Compose AI Drafting
- Engagement Velocity Scoring
- AI Follow-Up Suggestions
Outsolvi
Looking for something specific?
Everything above is free to read and free to use. The product itself tells you which of your sent emails were opened by an actual person rather than a scanner. 14-day free trial, no card.
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