Resources
Email guides, examples, and resources
Everything the Loops team has learned about sending email people actually open. Start with a guide, browse the examples, or look up a term.
Guides
How to make sure your email lands and gets read.
Email deliverability best practices
What decides whether your email reaches the inbox, and how to improve it.
Why emails go to spam
The common triggers that send mail to spam, and how to fix them.
The best time to send email
When to hit send for the most opens, based on the data.
The 10 best email marketing automation platforms for SaaS
Event-driven lifecycle tools compared on SaaS fit and price.
The 10 best email APIs for developers
Resend, SendGrid, Postmark, SES, and more, with honest tradeoffs.
Send transactional email from Node.js
Working SDK code for Node backends, with retries, idempotency, and testing.
The 12 best email deliverability tools
Inbox testers, DMARC monitors, and list cleaners, compared.
Email A/B testing
What to test, how to size a test, and how to read the results.
Email churn rate
How to measure list churn and slow the losses you can control.
Email marketing laws
CAN-SPAM, GDPR, and CASL, explained in plain English.
Lifecycle email
The automated messages every SaaS should run, and how to trigger them.
Email by type
Loops sends every kind of email from one platform. Pick the job you need to do.
Email examples
Emails you can copy, with notes on why they work.
Email glossary
Plain-English definitions for the terms you will run into.
Common questions
What is the difference between transactional and marketing email?
What is lifecycle email?
Do I need a separate tool for transactional and marketing email?
Does Loops have a free plan?