Apple Mail

Resend to Non-Openers: When a Second Send Helps

June 27, 2026 · 6 min read

A resend to non-openers is worth it only for occasional, high-value campaigns. Send it once, with a new subject line, to a carefully filtered segment. Worried that extra...

Campaign analytics

Click-to-Open Rate: When It Beats Click-Through Rate

April 4, 2026 · 5 min read

Use the click-to-open rate when you want to judge an email’s content and design. Use click-through rate when you want to judge the campaign as a whole. Simple...