Tool Documentation

Email ValidatorGolden Standard Guide

Master our comprehensive email validation system. Learn how the Golden Standard Validator ensures every email meets the highest quality standards with severity-tiered feedback.

What is the Golden Standard Validator?

The Golden Standard Validator is our advanced validation system that ensures every generated email meets the highest standards of quality, compliance, and effectiveness. It uses a multi-tiered severity system to provide actionable feedback on structural correctness, tone, personalization, and strategic alignment.

Compliance Check

Removes banned phrases and ensures authentic tone

Structure Validation

Verifies all sections are present and properly ordered

Quality Scoring

Provides severity-tiered feedback for optimization

Validation Rules & Severity Levels

Subject Line Validation

Critical

Missing subject line

Minor

Over 6 words (unless affects clarity → Major)

Best Practice

2-4 words, clearly linked to value proposition

Email Body Structure

Required sections in order:

1. Subject → 2. Greeting → 3. Intro
4. Hook → 5. Value Proposition
6. CTA → 7. Signature

Major

Missing required sections

Word Count Requirements

Wave 1 (Initial Email)

30-40 words (strictly under 50)

Odd Follow-ups (3, 5, 7)

50-125 words, 2-3 short paragraphs

Even Follow-ups (2, 4, 6)

≤50 words, reply style format

Minor→Major

Overly long emails (severity increases with excess)

Personalization & Specificity

Emails MUST include at least 2 specific references to:

• The prospect's specific situation/challenges
• How the offer uniquely solves their problem
• Concrete, measurable benefits

Critical

Generic value props ("boost sales", "improve efficiency")

Major

No specific mention of prospect's industry/role

Critical

Cookie-cutter templates that could apply to anyone

Compliance & Tone Validation

Banned Clichés (Critical)

• "Hope this finds you well"
• "Just checking in"
• "Circle back"
• "I noticed that..."
• "Touching base"

Major

Spammy or hype language ("exploding growth", "guaranteed 10x")

Minor

Slightly formal tone (should be natural, conversational)

Technical & Formatting

The validator automatically removes:

• Placeholder text ("Subject line", "Email body")
• Metadata artifacts ("- Reply after 2 days", "36 words")
• Inconsistent formatting

Major

Placeholder text present

Minor

Formatting inconsistencies

Email Sequence Validation

Multi-Email Campaign Requirements

Each Email Must Have:

Unique subject lines (no duplicates)
Proper greeting, hook, and CTA
Clear day assignment (Day 1, Day 4, etc.)

Logical Flow Requirements:

Early Emails (1-2)

Build curiosity and awareness

Middle Emails (3-5)

Deliver value, provide soft proof

Final Emails (6-7)

Polite closure or permission to end contact

Common Sequence Errors:

Major

Duplicate subject lines

Major

Missing day numbers

Major

Aggressive pitching in early emails

Critical

Repeated compliance errors across sequence

Validation Output Format

Single Email Output

{
  "subject": "Validated subject line",
  "body": "Validated email body content...",
  "creative_suggestions": "Preserved if present",
  "ab_variants": "Preserved if present",
  "isSequence": false,
  "emails": [],
  "validation_log": [
    {
      "issue": "Subject was too long; shortened to 5 words",
      "severity": "Minor"
    },
    {
      "issue": "Detected and removed banned phrase 'Hope this finds you well'",
      "severity": "Critical"
    },
    {
      "issue": "CTA was missing; inserted polite question",
      "severity": "Major"
    }
  ]
}

Email Sequence Output

{
  "isSequence": true,
  "title": "Email Sequence: [Brief description]",
  "emails": [
    {
      "subject": "Email 1 Subject",
      "body": "Email 1 body content...",
      "day": 1
    },
    {
      "subject": "Email 2 Subject",
      "body": "Email 2 body content...",
      "day": 4
    }
  ],
  "validation_log": [
    {
      "issue": "Email 2 subject was repetitive; rephrased",
      "severity": "Major"
    },
    {
      "issue": "No clichés detected across sequence",
      "severity": "Pass"
    }
  ]
}

HubSpot Email Validator Bookmarklet

Real-Time Validation in HubSpot

Our HubSpot integration adds validation buttons directly to your CRM timeline, providing instant feedback before sending emails.

Validation Checks:

Length Check

50-5000 characters

Personalization

Must include greeting

Forbidden Phrases

Checks for placeholders

Warning Phrases

Detects test content

Forbidden Patterns:

• [First Name], [Company], {FirstName}
• undefined, null, NaN
• Lorem ipsum, TODO, FIXME
• Test email, sample text

Pro Tip: The bookmarklet adds "Validate & Send" buttons that check your email before opening your mail client, preventing common mistakes.

Validation Best Practices

Do's

✓ Keep initial emails under 50 words

✓ Include 2+ specific references

✓ Use natural, conversational tone

✓ End with a question, not generic CTA

✓ Vary email length in sequences

✓ Test with the validator before sending

✓ Address critical issues first

Don'ts

✗ Don't use banned clichés

✗ Don't write generic value props

✗ Don't exceed word limits

✗ Don't skip required sections

✗ Don't use hype language

✗ Don't ignore validation feedback

✗ Don't send without personalizing

Quick Reference: Severity Actions

Critical IssuesFix immediately before sending

Major IssuesFix before campaign launch

Minor IssuesImprove when possible

PassGood to go!

Frequently Asked Questions

What is the Golden Standard Validator?

The Golden Standard Validator is our comprehensive email validation system that checks structural correctness, compliance, tone, personalization, and strategic alignment using severity-tiered feedback.

What severity levels does the validator use?

The validator uses four severity levels: Critical (must fix immediately), Major (should fix soon), Minor (nice to improve), and Pass (good as is). Each issue is tagged with its severity level.

What banned phrases does it check for?

The validator removes clichés like "Hope this finds you well", "Just checking in", "Circle back", "Touching base", and "I noticed that..." to ensure natural, authentic communication.

How does it validate email length?

Wave 1 emails: 30-40 words (max 50). Odd follow-ups (3,5,7): 50-125 words in 2-3 paragraphs. Even follow-ups (2,4,6): under 50 words in reply style. Subject lines: 2-4 words preferred, 6 max.

Does it check for personalization?

Yes! It requires at least 2 specific references to the prospect's situation, challenges, or how your solution uniquely helps them. Generic value props are marked as critical errors.

Can it validate email sequences?

Yes, the validator checks sequences for unique subject lines, logical flow, proper day assignments, and ensures early emails build curiosity while later ones provide value and closure.

What technical issues does it catch?

It removes placeholder text, metadata artifacts, standardizes formatting, checks CTA placement, and ensures all required sections are present in the correct order.

Is there a HubSpot integration?

Yes! Our HubSpot Email Validator Bookmarklet adds validation buttons directly to your CRM, checking for length, personalization, forbidden phrases, and recipient validity before sending.

Ready to Generate Validated Emails?

Every email generated with EmailGen AI passes through our Golden Standard Validator, ensuring the highest quality output with detailed feedback for continuous improvement.

All generated emails are automatically validated • Severity-tiered feedback • Continuous quality improvement