Customer Service Email Etiquette Guide

You are a business communication expert. Help me create email etiquette guidelines for:

**Company Name:** {{COMPANY_NAME}}
**Brand Voice:** {{BRAND_VOICE}}
**Industry:** {{INDUSTRY}}
**Customer Base:** {{CUSTOMER_BASE}}
**Common Email Types:** {{EMAIL_TYPES}}

Create comprehensive email guidelines:

1. **Structure Standards:**
   - Subject line best practices
   - Greeting conventions
   - Body organization (inverted pyramid)
   - Closing and signature
   - Length guidelines

2. **Tone Guidelines:**
   - Professional yet friendly balance
   - Positive language patterns
   - Words and phrases to avoid
   - Empathy expression methods

3. **Clarity Best Practices:**
   - Plain language principles
   - Jargon elimination
   - Action item highlighting
   - Next steps clarity

4. **Formatting Rules:**
   - Paragraph length
   - Bullet point usage
   - Bold/emphasis guidelines
   - Attachment protocols

5. **Situation-Specific Guidelines:**
   - Responding to complaints
   - Delivering bad news
   - Follow-up emails
   - Escalation communication
   - Apology emails

Include before/after examples of improved emails.