SaaS Revenue & Growth Metrics vs Email Best Practices

SaaS Revenue & Growth Metrics

By Dean Peters (PM)

Track your SaaS business health with MRR, churn, retention, and expansion metrics.

Email Best Practices

By Resend

Build reliable, compliant email features that reach inboxes, not spam folders.

SaaS Revenue & Growth Metrics

• Calculates core SaaS metrics including MRR, ARR, ARPU, ARPA, and ACV
• Measures customer retention through churn rate and net revenue retention (NRR)
• Tracks expansion revenue from upsells, cross-sells, and usage growth
• Provides cohort analysis to show whether recent customers perform better than older ones
• Explains what each metric means and what benchmarks to aim for

Email Best Practices

• Guides you through setting up email authentication (SPF/DKIM/DMARC) to prevent emails from going to spam
• Explains how to build compliant email capture forms with proper consent and double opt-in
• Provides a catalog of common transactional emails (password resets, confirmations, receipts) your app might need
• Helps you understand legal requirements for marketing emails (GDPR, CAN-SPAM, CASL)
• Shows you how to handle bounces, complaints, and maintain clean email lists

Reach for SaaS Revenue & Growth Metrics when…

• You're preparing a board deck and need to calculate and explain your key SaaS metrics
• You need to understand if your churn rate or retention numbers are healthy
• You're evaluating whether your pricing or packaging changes are working
• You want to diagnose growth problems or identify where revenue is coming from

Reach for Email Best Practices when…

• You're adding email features to your product and need to understand what emails to build
• Your emails are landing in spam and you need to fix deliverability
• You're launching a newsletter or marketing emails and need to stay compliant
• You need to set up password resets, email verification, or other user notifications