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A Practical Approach to Warming Up Dedicated IPs
Starting with a new IP address requires patience and a strict schedule. Send too much volume too quickly and ISPs will throttle or block you.
A Complete Beginner's Guide to A/B Testing Subject Lines
Most marketers fail at A/B testing because they change too many variables at once. Isolate one element and wait for a real sample.
Why Plain Text Emails Often Perform Better Than HTML
A clean text email can outperform a heavy HTML blast because it looks like a person wrote it and it survives more clients intact.