Writing on email, AI, and growth.

Notes from the team: strategies, ideas, and lessons from building Brew.

All posts Data & Insights News State of Email Comparison Guide Strategy Tips

October2026

33 articles

12Mon

Emails in code: see them, migrate them, improve them

Guide

Oct 1212 min read

Emails in code: see them, migrate them, improve them

A guide for teams whose emails live in code: inventory them with a coding agent, put them on one Brew canvas over MCP, then migrate and improve them safely.

Thomas ParkCo-founder & CTO, Brew

11Sun

Guide

Oct 119 min read

How to remix an email template and export it to your ESP

Start from a layout another brand already shipped, rebuild it on your brand with one prompt, and export it to Klaviyo, Mailchimp, HubSpot and 8 more ESPs.

Philip SørensenCo-founder & CEO, Brew

11Sun

Pre-send email QA checklist: 8 checks before you send

Guide

Oct 119 min read

Pre-send email QA checklist: 8 checks before you send

The checks to run before every campaign and the thresholds Brew's email audit uses: 102 KB clipping, dead links, alt text, client support and copy length.

Thomas ParkCo-founder & CTO, Brew

10Sat

How to run email campaigns from Slack with approval

Guide

Oct 109 min read

How to run email campaigns from Slack with approval

Mention @Brew in a thread to draft, test and schedule a campaign. Every step that reaches real people waits for an approval card only the requester can answer.

Thomas ParkCo-founder & CTO, Brew

9Fri

Writing email for AI summaries and inbox assistants

Guide

Oct 914 min read

Writing email for AI summaries and inbox assistants

Apple Mail, Gmail and Yahoo now summarize email before people read it. Where to put the offer, deadline and action, Gmail deal markup, and what to avoid.

Thomas ParkCo-founder & CTO, Brew

8Thu

Postmaster Tools v2: what to monitor instead

Guide

Oct 814 min read

Postmaster Tools v2: what to monitor instead

Postmaster Tools v2 drops Gmail's domain and IP reputation charts. What v2 shows, where the API stands, and a weekly plan with thresholds to replace them.

Thomas ParkCo-founder & CTO, Brew

7Wed

EU AI Act Article 50 for email marketing teams

Guide

Oct 713 min read

EU AI Act Article 50 for email marketing teams

When AI copy or AI images in a marketing email need a label under Article 50 of the EU AI Act: the deep fake test, the text exception, dates and fines.

Philip SørensenCo-founder & CEO, Brew

6Tue

CNIL email tracking pixel rules: what needs consent

Guide

Oct 612 min read

CNIL email tracking pixel rules: what needs consent

What France's CNIL now requires for email open pixels: which uses need consent, the narrow exemptions, the July 14 transition and what to change.

Philip SørensenCo-founder & CEO, Brew

5Mon

Microsoft 451 4.7.500 deferrals: a sender playbook

Guide

Oct 513 min read

Microsoft 451 4.7.500 deferrals: a sender playbook

Decode Microsoft's 451 4.7.500, 4.7.650, RP-001 and 550 5.7.515 responses, tell an Outlook incident from a reputation problem, and know what not to do.

Thomas ParkCo-founder & CTO, Brew

4Sun

DMARC from p=none to p=reject in 30 days

Guide

Oct 415 min read

DMARC from p=none to p=reject in 30 days

A week-by-week plan to take a domain from DMARC p=none to quarantine to reject, with exact DNS records, how to read reports, and what BIMI needs after.

Thomas ParkCo-founder & CTO, Brew

3Sat

How to measure email ROI without the $36 stat

Guide

Oct 314 min read

How to measure email ROI without the $36 stat

Where the $36-per-$1 email ROI figure comes from, why it fails as a plan, and how to measure your own with full costs, click attribution and a holdout.

Thomas ParkCo-founder & CTO, Brew

September 2026

26Sat

How to build a SaaS trial-conversion email sequence with product events

Guide

Sep 264 min read

How to build a SaaS trial-conversion email sequence with product events

Build a trial-conversion sequence driven by what users do in your product: the activation event, one job per email, eligibility checks and exit tests.

Thomas ParkCo-founder & CTO, Brew

25Fri

How to create an email onboarding sequence from Cursor

Guide

Sep 254 min read

How to create an email onboarding sequence from Cursor

Use Cursor and Brew MCP to create, test, and publish onboarding emails. Add backend events and current-state checks for eligible follow-ups.

Philip SørensenCo-founder & CEO, Brew

24Thu

How to build and schedule an email campaign from Claude using MCP

Guide

Sep 246 min read

How to build and schedule an email campaign from Claude using MCP

Connect Brew to Claude over MCP, then brief, design, test and schedule a campaign in chat. Every step, the tools Claude calls, and where you approve.

Brew TeamBrew editorial team

23Wed

MCP vs. REST API for email marketing: Which workflow should you use?

Guide

Sep 237 min read

MCP vs. REST API for email marketing: Which workflow should you use?

Use MCP for email work through an assistant and the REST API for application events. Compare authentication, approvals, retries, and Brew workflows.

Thomas ParkCo-founder & CTO, Brew

20Sun

Guide

Sep 206 min read

How to create on-brand emails with AI and send them through Klaviyo

Create on-brand emails in Brew, export them to Klaviyo as CODE templates, and send from your existing campaigns and flows. Steps, checks and limits.

Brew TeamBrew editorial team

18Fri

Guide

Sep 184 min read

How to automate lifecycle emails from Stripe subscription events

Connect Stripe to Brew, choose the right billing events, and check current invoice or subscription state before sending later reminders.

Philip SørensenCo-founder & CEO, Brew

17Thu

Flows: 151 real email sequences your agent can read

Guide

Sep 179 min read

Flows: 151 real email sequences your agent can read

151 real email sequences with the day each message landed. Browse them, remix one into a draft automation, or read them all from code over the API and MCP.

Thomas ParkCo-founder & CTO, Brew

1Tue

Guide

Sep 15 min read

How to turn existing email designs into on-brand emails with AI

Teams with existing email designs can use AI to recreate, remix, and adapt their approved layouts without starting from scratch.

Philip SørensenCo-founder & CEO, Brew

August 2026

30Sun

Guide

Aug 304 min read

How to brief an email agent

A brief an email agent can actually use. Audience, job, offer, proof, and the constraints that stop a fluent draft from shipping the wrong email.

Thomas ParkCo-founder & CTO, Brew

29Sat

The email canvas: compare drafts without losing the context

Guide

Aug 293 min read

The email canvas: compare drafts without losing the context

Use Brew's canvas to compare email directions, make focused edits, review versions, and prepare a draft for sending or export.

Thomas ParkCo-founder & CTO, Brew

25Tue

Win-back emails: give a quiet customer a reason to return

Guide

Aug 253 min read

Win-back emails: give a quiet customer a reason to return

Define inactivity in product terms, send a relevant reason to return, and recheck eligibility before each win-back message.

Philip SørensenCo-founder & CEO, Brew

23Sun

Email deliverability: diagnose the path to the inbox

Guide

Aug 237 min read

Email deliverability: diagnose the path to the inbox

Check authentication, provider responses, audience quality, and unsubscribe behavior to understand why email is rejected or placed in spam.

Brew TeamBrew editorial team

22Sat

Transactional emails: what they are and how to send them

Guide

Aug 223 min read

Transactional emails: what they are and how to send them

Separate account and transaction messages from marketing, apply the primary-purpose test, and send through a published Brew automation.

Thomas ParkCo-founder & CTO, Brew

20Thu

Triggered email automations: connect the event to the right message

Guide

Aug 203 min read

Triggered email automations: connect the event to the right message

Understand event-triggered marketing and transactional email, with a practical model for trigger payloads, publication, and delayed eligibility.

Brew TeamBrew editorial team

19Wed

Email marketing automation: plan the state checks before the sequence

Guide

Aug 194 min read

Email marketing automation: plan the state checks before the sequence

Build useful email automations with explicit triggers, eligibility checks, delays, and tests that reflect how customer state changes.

Thomas ParkCo-founder & CTO, Brew

18Tue

Abandoned cart emails: a useful reminder, not a pressure campaign

Guide

Aug 186 min read

Abandoned cart emails: a useful reminder, not a pressure campaign

Write cart reminders with accurate product information, honest offers, permission checks, and a fresh purchase-status check before each send.

Philip SørensenCo-founder & CEO, Brew

16Sun

Welcome email sequences: examples, timing, and eligibility

Guide

Aug 164 min read

Welcome email sequences: examples, timing, and eligibility

Plan a welcome email sequence for SaaS, stores, or newsletters, with example messages, timing, eligibility checks, and tests before sending.

Brew TeamBrew editorial team

15Sat

B2B email marketing: help the buyer make the next decision

Guide

Aug 156 min read

B2B email marketing: help the buyer make the next decision

Plan B2B email around buying questions, account context, useful evidence, and a clear handoff between marketing, product, and sales.

Thomas ParkCo-founder & CTO, Brew

9Sun

How to write marketing emails people can act on

Guide

Aug 93 min read

How to write marketing emails people can act on

A practical email writing process with an annotated product announcement, a review checklist, and guidance for briefing an AI draft.

Brew TeamBrew editorial team

6Thu

Guide

Aug 66 min read

Email list building: earn the signup and keep the promise

Build a permission-based email list with a clear signup offer, useful placement, and records that survive imports and platform changes.

Brew TeamBrew editorial team

2Sun

What is email marketing? A practical starting point

Guide

Aug 26 min read

What is email marketing? A practical starting point

Learn how newsletters, campaigns, and automated emails fit together, and what to set up before sending your first marketing email.

Brew TeamBrew editorial team

June 2026

26Fri

Guide

Jun 263 min read

Your AI assistant can now work in Brew

Connect a compatible assistant to Brew over MCP to create emails, manage campaigns, and inspect results using your existing brand and permissions.

Thomas ParkCo-founder & CTO, Brew

Writing on email, AI, and growth.

Your first email is 5 minutes away.

Writing on email, AI, and growth.

Emails in code: see them, migrate them, improve them

How to remix an email template and export it to your ESP

Pre-send email QA checklist: 8 checks before you send

How to run email campaigns from Slack with approval

Writing email for AI summaries and inbox assistants

Postmaster Tools v2: what to monitor instead

EU AI Act Article 50 for email marketing teams

CNIL email tracking pixel rules: what needs consent

Microsoft 451 4.7.500 deferrals: a sender playbook

DMARC from p=none to p=reject in 30 days

How to measure email ROI without the $36 stat

How to build a SaaS trial-conversion email sequence with product events

How to create an email onboarding sequence from Cursor

How to build and schedule an email campaign from Claude using MCP

MCP vs. REST API for email marketing: Which workflow should you use?

How to create on-brand emails with AI and send them through Klaviyo

How to automate lifecycle emails from Stripe subscription events

Flows: 151 real email sequences your agent can read

How to turn existing email designs into on-brand emails with AI

How to brief an email agent

The email canvas: compare drafts without losing the context

Win-back emails: give a quiet customer a reason to return

Email deliverability: diagnose the path to the inbox

Transactional emails: what they are and how to send them

Triggered email automations: connect the event to the right message

Email marketing automation: plan the state checks before the sequence

Abandoned cart emails: a useful reminder, not a pressure campaign

Welcome email sequences: examples, timing, and eligibility

B2B email marketing: help the buyer make the next decision

How to write marketing emails people can act on

Email list building: earn the signup and keep the promise

What is email marketing? A practical starting point

Your AI assistant can now work in Brew

Your first email is 5 minutes away.

Emails in code: see them, migrate them, improve them

How to remix an email template and export it to your ESP

Pre-send email QA checklist: 8 checks before you send

How to run email campaigns from Slack with approval

Writing email for AI summaries and inbox assistants

Postmaster Tools v2: what to monitor instead

EU AI Act Article 50 for email marketing teams

CNIL email tracking pixel rules: what needs consent

Microsoft 451 4.7.500 deferrals: a sender playbook

DMARC from p=none to p=reject in 30 days

How to measure email ROI without the $36 stat

How to build a SaaS trial-conversion email sequence with product events

How to create an email onboarding sequence from Cursor

How to build and schedule an email campaign from Claude using MCP

MCP vs. REST API for email marketing: Which workflow should you use?

How to create on-brand emails with AI and send them through Klaviyo

How to automate lifecycle emails from Stripe subscription events

Flows: 151 real email sequences your agent can read

How to turn existing email designs into on-brand emails with AI

How to brief an email agent

The email canvas: compare drafts without losing the context

Win-back emails: give a quiet customer a reason to return

Email deliverability: diagnose the path to the inbox

Transactional emails: what they are and how to send them

Triggered email automations: connect the event to the right message

Email marketing automation: plan the state checks before the sequence

Abandoned cart emails: a useful reminder, not a pressure campaign

Welcome email sequences: examples, timing, and eligibility

B2B email marketing: help the buyer make the next decision

How to write marketing emails people can act on

Email list building: earn the signup and keep the promise

What is email marketing? A practical starting point

Your AI assistant can now work in Brew