Email is still among the most popular ways of delivering marketing messages to customers, but it can be hard to measure how well it works. A new study from delivery platform SendGrid measures the engagement numbers for the average percentage of male and female recipients, the percentage of emails that are opened on mobile and non-mobile devices, open rates, click rate, click-to-open rates and monthly send rates across 10 industries. The report combines engagement statistics across all senders, establishing the benchmarks for the average monthly send rate of 9.8 emails with a unique open rate of 14.2 percent, open rate… [Continue Reading]