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Cold email goes to people who never gave consent (prospecting); email marketing goes to subscribers who opted in (nurturing). The core difference is consent, and it drives everything from tools to legality under CAN-SPAM, GDPR and CASL. An EmailOctopus-sourced guide.
Compare the best newsletter platforms for Australia in 2026 — AUD billing, Spam Act 2003 / ACMA compliance, and why send-based pricing beats per-subscriber billing for a growing list.
Compare the best email marketing software for the Philippines in 2026 — PHP billing, Data Privacy Act 2012 compliance, and send-based vs per-contact pricing.
Compare the best bulk email services for Nigeria in 2026 — NGN pricing without the USD conversion surcharge, NDPA 2023 compliance, and send-based vs per-contact billing.
CAN-SPAM is the US law for commercial email: honest headers, no deceptive subject lines, a physical address, ad identification, and an opt-out honored within 10 business days. It covers B2B too, and each violating email can cost up to $53,088. A plain-English FTC-sourced guide.
A spam trap is an email address with no real user, planted to catch senders who mail without permission. Hitting one damages your reputation or gets you blocklisted. Here are the types (pristine, seeded, typo, recycled, live) and how to avoid them, per Spamhaus.
Sender reputation is the trust score mailbox providers assign to your sending IP and domain, deciding whether your email reaches the inbox. It is built from engagement, complaints, spam-trap hits, bounces and consistent volume. Here is what shapes it and how to protect it.
An email blocklist is a database of IPs and domains flagged for spam; mail servers reject or filter listed senders. Spamhaus has run DNS blocklists for 25+ years. Here's how they work, the main Spamhaus lists, why you get listed, and how to get delisted.
GDPR doesn't ban email marketing - it requires a lawful basis (usually consent) to email EU/UK residents. Consent must be freely given, specific, informed and unambiguous, with no pre-ticked boxes, and easy to withdraw. Fines reach 20 million euros or 4% of global turnover. A plain-English, GDPR.eu-sourced guide.
The best email marketing software for South Africa in 2026 — rand pricing, POPIA compliance, and where each platform genuinely fits.