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Simple guides on reaching new clients, how an AI sales helper works, and what to expect each week once GTM starts working for you.
Add One-Click Unsubscribe Headers to Client Cold Email, Not Just a Footer Line
Gmail and Yahoo give recipients an unsubscribe control driven by List-Unsubscribe headers. What RFC 8058 requires, whether the rules reach cold email, and how agencies should route one-click opt-outs per client.
Five Changes in the New DMARC Standard to Check on Every Client Domain
DMARC was updated in May 2026 as RFC 9989. The pct tag is gone, np covers fake subdomains, a DNS tree walk replaces the Public Suffix List, and p=reject carries new warnings. What to check on client domains.
Which US State Privacy Laws Cover B2B Prospects? Mostly Just California
Most comprehensive state privacy laws exclude people acting in a commercial or employment context. California does not. What the statutes say, where the exclusion stops, and what still applies to every B2B list.
BIMI Will Not Fix a Client's Cold Email Deliverability
Clients see brand logos in Gmail and ask for the same on outbound. What BIMI requires, why the BIMI Group says it does not change delivery, and where agencies should spend that month instead.
Check for Null MX Before a Prospect Domain Enters a Client List
Some prospect domains publish a DNS record saying they accept no mail. What RFC 7505's null MX means, how it differs from a missing MX, and a per-client check to run before any address enters a sequence.
Gmail Now Summarizes Some Emails Before Prospects Read Them. Write for That.
On eligible Workspace accounts, Gmail's mobile app can replace the preview with a two-line Gemini summary. Who sees it, and five ways to write cold email that survives being summarized.
When a Cold Prospect Asks You to Delete Their Data
Since 2023, California business contacts have CCPA rights, including deletion. The 45-day clock, who acts when an agency runs the outreach, and a six-step handling process per client.
Reply-To Headers in Client Outbound: Route Replies Without Confusing Anyone
A Reply-To pointing at your agency inbox will not break DMARC, but it changes what the prospect sees. What the header does, when it is fine, and a better way to centralize replies.
Why Client Cold Emails Should Not Use Public URL Shorteners
Filters check every domain in a message, not just the sender. What Spamhaus and Google say about links and redirectors, and a six-part link rule for every client workspace.
Enroll Every Client Sending Domain in Yahoo's Complaint Feedback Loop
Yahoo will tell you who marked a client's email as spam, but only if the client's DKIM domain is enrolled. How the free Complaint Feedback Loop works and how agencies should route its reports.
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