The era of 20% email open rates is not the end game. AI enables 'uncomfortably specific' targeting in subject lines and content, which can dramatically boost engagement. This has the potential to bring open rates back towards the highly effective levels seen in email's early days.

Reported open rates are inherently flawed due to inflation from bots and privacy features like Apple's. Their true value isn't the absolute number, but their utility as a directional metric. Use them to compare relative performance in A/B tests (e.g., subject lines) rather than as a definitive measure of campaign success.

Email providers prioritize senders with high engagement. Sending at least five emails per month generates more opens and clicks, signaling credibility. This counterintuitively leads to higher average open rates and better inbox placement, contrary to the common fear of over-sending.

Standard email marketing metrics like opens and clicks are not accurate. Due to security protocols and bot activity, many email service providers pre-click and pre-open emails, leading to wildly inflated numbers. Marketers should understand that these metrics are fundamentally unreliable for measuring genuine user engagement.

Contrary to the fear of over-sending, emailing at least five times per month improves deliverability. Email providers view consistent recipient engagement (opens, clicks) as a sign of a credible sender, leading to better inbox placement and significantly higher open rates.

A highly effective email tactic is using a compelling statistic as the entire subject line, with no other text or call to action. This piques curiosity by presenting a data-driven statement, leading to an average open rate increase of 19%.

Social media algorithms are fickle and AI summaries are reducing referral traffic from search. Email newsletters are thriving because they provide a direct, reliable communication channel where creators truly own their audience and distribution, hedging against unpredictable platforms.

Data reveals Sunday is a critical day for email marketing, particularly in the late morning. An 11 a.m. send time on Sunday can achieve open rates as high as 33.69%, one of the strongest of the week, while noon delivers a strong conversion rate, making it a key window for marketers.

Email marketing delivers a powerful, unmatched return on investment, with industry figures suggesting up to a 40x return. A single strategic email can easily generate more revenue and direct results than weeks of consistent, effort-intensive social media posting, making it a highly leveraged channel.