Deliverability
Sep 23, 2026•5 min read
Acumbamail Terms of Service & Cold Email Outreach Policy Explained
Why traditional newsletters ban cold campaigns, and how to safely send outbound B2B emails without getting your account suspended.
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Technical Setup
Sep 18, 2026•8 min read
Cold Email Deliverability Basics: SPF, DKIM, DMARC Explained Simply
The three DNS records that decide whether your cold emails land in the inbox or the spam folder — and how to set them up in 15 minutes.
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Deliverability
Sep 10, 2026•6 min read
How to Warm Up a New Domain: The 4-Week Plan That Actually Works
Sending from a fresh domain on day one is the fastest way to get flagged. Follow this week-by-week warmup plan instead.
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