Guides
Practical how-tos on deliverability, authentication, Laravel, and business inboxes.
Seed tests miss recipient history. Layer authentication, rendering QA, seeds, and Postmaster Tools spam rate before you ramp a major send.
Read articleDomain and IP reputation remain separate deliverability signals even after Google retired the old Postmaster badges. Learn what follows you across ESPs and what to monitor in 2026.
Read articleWhy forwarding breaks SPF and DMARC, how Authenticated Received Chain (ARC) headers work, and why the IETF is considering reclassifying ARC as Historic in 2026.
Read articleBuild transactional HTML emails that stay readable in Gmail dark mode, Apple Mail, and Outlook. Use tables, explicit colors, progressive enhancement, and plain-text fallbacks with ArawaMail.
Read articlePublish TLS-RPT first, serve an MTA-STS testing policy with your real MX names, then flip to enforce. ArawaMail does not write these records for you.
Read articleRFC 8058 List-Unsubscribe and List-Unsubscribe-Post on ArawaMail: Laravel mailables, POST /emails headers, and why transactional mail should omit them.
Read articleGmail’s 5,000/day bulk-sender rule is sticky and counts every subdomain. Checklist for Gmail, Yahoo, and Outlook before Q4 2026 volume.
Read articleClean hard bounces, complaints, and traps the same day. Sunset marketing names after re-engagement—not invoices. ArawaMail does not clean lists; you own recipient quality.
Read articleWhy campaigns and receipts should not share one From domain. What subdomain splits isolate, what they do not, and how to keep brand reputation clean in 2026.
Read articleSPF never inherits. DKIM is per signing domain. DMARC can fall back via sp= or p=. When a sending subdomain needs its own keys, policy, and RFC 9989 tags.
Read articlePTR and FCrDNS live on the sending IP, not in your Cloudflare zone. Learn who sets reverse DNS, how to check it, and when branded rDNS is actually your job.
Read articleMap hello@, support@, and billing@ on day one. Learn how aliases, plus-addressing, shared inboxes, forwarding, and catch-all differ—and what ArawaMail actually provides.
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