Guides
Long-form, plain-English guides
Deep-dives written by our deliverability team. No vendor lock-in, no fluff.
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The complete guide to email deliverability
Deliverability · 24 min read
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Warming up a new IP without trashing your domain
Deliverability · 12 min read
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DKIM, SPF, and DMARC in plain English
Authentication · 15 min read
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Designing a transactional email that actually converts
Design · 9 min read
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How to A/B test subject lines (without lying to yourself)
Marketing · 11 min read
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Segmentation strategies for lifecycle marketing
Marketing · 18 min read
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Building a re-engagement campaign from scratch
Marketing · 14 min read
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Reading bounce codes: the practitioner's guide
Operations · 10 min read
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When to use a dedicated IP (and when not to)
Operations · 8 min read
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Migrating high-volume sending without losing reputation
Operations · 22 min read
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