Guides and notes for people who send email.

DNS & Deliverability 10 Sep 2026

How to Test Inbox Placement Before a Major Send (and What Seed Tests Miss)

Seed tests miss recipient history. Layer authentication, rendering QA, seeds, and Postmaster Tools spam rate before you ramp a major send.

Read article

Business Email 10 Sep 2026

Receipts Should Come From an Address People Can Reply To

A noreply email alternative for receipts: use a monitored billing or support From, honest Gmail display names, and Reply-To that does not change DMARC alignment.

Read article

DNS & Deliverability 09 Sep 2026

Domain Reputation vs IP Reputation: What Still Matters for Deliverability

Domain 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 article

Deliverability & DNS 09 Sep 2026

Don’t Buy a Dedicated IP Until the Domain Is Clean

A dedicated sending IP will not fix a dirty domain, high complaint rates, or missing authentication. Fix domain health first, then decide if isolation is useful.

Read article

DNS & Deliverability 08 Sep 2026

ARC Email Authentication: Forwarding, DMARC, and Why ARC May Be Retired

Why 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 article

Developer Guides 08 Sep 2026

HTML Email That Survives Dark Mode and Gmail Inversion

Build 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 article

DNS & Deliverability 07 Sep 2026

MTA-STS and TLS-RPT Setup: Enforce TLS Without Breaking Inbound Mail

Publish 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 article

Deliverability & DNS 07 Sep 2026

DMARC Alignment vs SPF Pass: Why Alignment Is the Whole Game

SPF pass is not a DMARC pass. Learn relaxed vs strict alignment, why vendor MAIL FROM fails From-domain DMARC, and how ArawaMail custom MAIL FROM and DKIM fix it.

Read article

DNS & Deliverability 06 Sep 2026

One-Click Unsubscribe: List-Unsubscribe Headers in Laravel and Next.js

RFC 8058 List-Unsubscribe and List-Unsubscribe-Post on ArawaMail: Laravel mailables, POST /emails headers, and why transactional mail should omit them.

Read article

DNS & Deliverability 06 Sep 2026

Gmail and Yahoo Bulk-Sender Requirements (2026) — Before Q4 Volume

Gmail’s 5,000/day bulk-sender rule is sticky and counts every subdomain. Checklist for Gmail, Yahoo, and Outlook before Q4 2026 volume.

Read article

DNS & Deliverability 05 Sep 2026

Email List Hygiene in 2026 Without Hurting Deliverability

Clean 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 article

Business Email 05 Sep 2026

Employee Email Offboarding: Disable the Mailbox and Rotate the API Key

When an employee leaves, disable the mailbox first, retarget catch-all, keep jane@ reachable, rotate sending API keys, and revoke MCP access. Do not delete on day one.

Read article