The complete guide to email deliverability in 2026
Everything you need to know about SPF, DKIM, DMARC, BIMI, and the new Gmail/Yahoo sender requirements.
12 min readRead more →
Resources
Learn to send better email.
Practical guides, templates, and tools — written by the NufuMail team and the customers we work with.
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Templates
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Welcome series that convert: 7 proven sequences
Real-world examples of welcome flows used by top D2C brands and SaaS companies.
8 min readRead more →
Warming up a new sending domain — week by week
A practical 6-week warming schedule with daily volume targets and reputation checkpoints.
10 min readRead more →
2026 email marketing benchmarks by industry
Open rates, click rates, and unsubscribe rates across 14 industries — see how you compare.
5 min readRead more →
Writing subject lines that get opened
The psychology, structure, and A/B tested formulas behind subject lines that actually perform.
6 min readRead more →
How Northbeam reduced bounces by 64%
A look at how a fast-growing brand cleaned its list and rebuilt sender reputation in 90 days.
7 min readRead more →