Pay as you go email marketing: how credit pricing compares to subscriptions
Contact-based, send-based and prepaid credit pricing reward very different sending habits. Here is how to work out which model fits yours before you commit.
Email marketing
Practical, no-hype guides for people who send email: list verification, authentication, deliverability and campaigns that get results.
Double opt-in vs single opt-in: which should you use?
Single opt-in grows your list faster; double opt-in gives you cleaner data and stronger proof of consent. Here is how to choose, and how to protect list quality either way.
Email subject lines that get opened: principles and 30 examples
Clear, specific and relevant beats clever. Learn the principles behind subject lines people open, with 30 examples by campaign type and a simple way to test your own.
Verify your list and send your next campaign today
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