Sending 500 emails on day one seems efficient. It is actually one of the fastest ways to get your Gmail account flagged. Here's what the safe send ramp is, why it works, and what happens when you skip it.
Apple Mail Privacy Protection now inflates roughly 58% of all reported email opens. Here's why reply rate is the only metric that actually tells you whether your outreach is working — and what that means for how you should write and measure B2B email campaigns.