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The SendHustle blog

Guides and tutorials on email automation, cold outreach, mail merge, and getting more replies.

Page 1 of 5 · 52 articles

Guides

Dmarc Policy Reject: Getting There Without Losing Mail

Moving to a dmarc policy reject record without bouncing real mail: the readiness numbers, third-party alignment, the forwarding tail, and the rollback...

Oct 26, 2026 · 6 min read
Guides

Dmarc Quarantine Reject Policy Not Enabled: The Real Fix

The "dmarc quarantine reject policy not enabled" scanner finding decoded: what it checks, why flipping to p=reject today is the wrong fix, and the safe...

Oct 25, 2026 · 6 min read
Guides

DMARC Policy Levels: What None, Quarantine and Reject Do

A dmarc policy tells receivers what to do with mail that fails alignment: p=none observes, quarantine spam-folders, reject refuses. What each really does.

Oct 24, 2026 · 6 min read
Guides

How to Create DKIM Record Keys for Any Email Provider

How to create DKIM record keys the way it actually works: your sender generates the pair, you publish its DNS half. Steps for Google, Microsoft 365 and...

Oct 23, 2026 · 6 min read
Guides

Google Workspace DKIM Record Setup, Without the Waiting Trap

The google workspace dkim record takes 15 minutes plus one honest wait: generation, the 2048-bit choice, Start authentication's live check, and...

Oct 22, 2026 · 6 min read
Guides

DKIM Record Example Dissected: Every Tag, Explained

A real dkim record example taken apart tag by tag - v, k, p, t and the selector - plus the signature header it validates and the CNAME pattern platforms...

Oct 21, 2026 · 6 min read
Guides

How to Add SPF Record to Your Domain: Every DNS Host

How to add SPF record entries at Cloudflare, GoDaddy, Namecheap and the rest - plus the one-record rule and how to merge providers instead of breaking...

Oct 20, 2026 · 6 min read
Guides

SPF Record Syntax Explained: Every Mechanism, Decoded

SPF record syntax in one pass: every mechanism, all four qualifiers, the 10-lookup limit, and real records dissected token by token.

Oct 19, 2026 · 6 min read
Guides

Prevent Emails From Going to Spam Gmail: What Decides

To prevent emails from going to spam gmail gives you the scoreboard: Postmaster Tools, the 0.3% complaint ceiling, and per-user engagement signals.

Oct 18, 2026 · 6 min read
Guides

Hotmail SMTP Server: The Right Host for a 1996 Address

The hotmail smtp server is smtp-mail.outlook.com on port 587 - smtp.live.com is dead. Settings, app passwords, and fixes for devices configured years ago.

Oct 17, 2026 · 7 min read
Guides

Why Are My Emails Going to Spam? A Diagnostic in 4 Steps

Why are my emails going to spam? Check in this order: authentication, reputation, list quality, then content - with a concrete test for each layer.

Oct 16, 2026 · 7 min read

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