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

November2026

79 articles

The state of agentic email marketing in 2026

Data & Insights

Nov 119 min read

The state of agentic email marketing in 2026

Agents now run email platforms, send their own mail and read yours first. What the research says, what we learned building Brew, and what to do next.

Thomas ParkCo-founder & CTO, Brew

Nov 105 min read

How we taught Brew's email agent to design for your brand

Customers said their Brew emails were on brand but too alike. How we taught the email agent to make layout decisions, and how your brand guide steers them.

Thomas ParkCo-founder & CTO, Brew

The State of Email Marketing: October edition

Nov 910 min read

The State of Email Marketing: October edition

October 2026 in email: Gmail's AI Inbox, a Gmail placement slide, Salesforce buying Braze, agents in every platform, Prime Day and a Black Friday checklist.

Thomas ParkCo-founder & CTO, Brew

October 2026

5 best email marketing tools for SaaS startups in 2026

Oct 207 min read

5 best email marketing tools for SaaS startups in 2026

Compare Brew, ActiveCampaign, Loops, Customer.io and HubSpot for SaaS email: creating on-brand campaigns, product-event automation and CRM fit.

Philip SørensenCo-founder & CEO, Brew

5 best email tools for agencies managing multiple brands in 2026

Oct 197 min read

5 best email tools for agencies managing multiple brands in 2026

Compare Brew, Klaviyo, ActiveCampaign, Mailchimp and HubSpot for agency email work across client brands, reviews, automation and CRM services.

Philip SørensenCo-founder & CEO, Brew

AgentMail vs Brew: an inbox for your agent, or your agent running your email marketing

Oct 139 min read

AgentMail vs Brew: an inbox for your agent, or your agent running your email marketing

AgentMail gives AI agents their own inboxes over an API. Brew lets an agent design, send and automate your customer email. When to use each, or both.

Philip SørensenCo-founder & CEO, Brew

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

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

Superhuman vs Brew: one is for your inbox, the other is for the emails your customers receive

Oct 128 min read

Superhuman vs Brew: one is for your inbox, the other is for the emails your customers receive

Superhuman is an email client for your own inbox. Brew designs and sends your marketing, lifecycle and transactional email. When to use each, or both.

Philip SørensenCo-founder & CEO, Brew

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

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

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

How to run email campaigns from Slack with approval

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

Send-time optimization per contact: how it works

Oct 109 min read

Send-time optimization per contact: how it works

One best send time averages your list into an hour nobody keeps. How per-contact timing works in Brew, what it uses, and how to check that it helped.

Philip SørensenCo-founder & CEO, Brew

Writing email for AI summaries and inbox assistants

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

Email platform MCP servers: auth, writes and sends

Oct 914 min read

Email platform MCP servers: auth, writes and sends

How 14 email platforms' MCP servers compare as of October 9, 2026: hosting, OAuth or API keys, write access, and who has to approve a send.

Thomas ParkCo-founder & CTO, Brew

Postmaster Tools v2: what to monitor instead

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

EU AI Act Article 50 for email marketing teams

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

CNIL email tracking pixel rules: what needs consent

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

Microsoft 451 4.7.500 deferrals: a sender playbook

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

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

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

How to measure email ROI without the $36 stat

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

How to send more in Q4 without burning your list

Oct 312 min read

How to send more in Q4 without burning your list

Raise holiday email volume by engagement tier, cap frequency, sunset dead contacts in October and stay under Gmail's 0.1% spam rate through Cyber Monday.

Philip SørensenCo-founder & CEO, Brew

The second-purchase email flow for holiday buyers

Oct 212 min read

The second-purchase email flow for holiday buyers

A day-by-day flow that turns holiday first-time buyers into repeat customers: delivery timing, refills, cross-sell, gift buyers, offers and exit rules.

Philip SørensenCo-founder & CEO, Brew

Holiday email calendar: dates, cutoffs and volume

Oct 114 min read

Holiday email calendar: dates, cutoffs and volume

A dated Q4 2026 email plan from Prime Big Deal Days to New Year, with carrier cutoffs, Gmail and Yahoo bulk rules, and an October volume ramp.

Philip SørensenCo-founder & CEO, Brew

September 2026

The State of Email Marketing: September edition

Sep 3023 min read

The State of Email Marketing: September edition

September 2026 in email: AI readers in Apple Mail and Gmail, ESPs opening to agents, Microsoft incidents, new holiday data and the Q4 outlook, all sourced.

Thomas ParkCo-founder & CTO, Brew

What still applies when an agent sends your email

Sep 274 min read

What still applies when an agent sends your email

Agents do not get a separate inbox. Same CAN-SPAM rules, same Gmail thresholds, same need to split marketing from transactional on the wire.

Thomas ParkCo-founder & CTO, Brew

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

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

How to create an email onboarding sequence from Cursor

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

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

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

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

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

Best email marketing tools with MCP support: campaigns, automations, and analytics compared

Sep 2211 min read

Best email marketing tools with MCP support: campaigns, automations, and analytics compared

Compare MCP support for email campaigns, automations, analytics, and approvals across Brew, Loops, Klaviyo, Customer.io, and other platforms.

Philip SørensenCo-founder & CEO, Brew

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

Best email tools for Supabase: Auth emails, product events, and lifecycle campaigns

Sep 198 min read

Best email tools for Supabase: Auth emails, product events, and lifecycle campaigns

Supabase apps need three kinds of email: auth, product events and lifecycle campaigns. Compare Brew, Sequenzy, Loops and Resend by which job each one covers.

Thomas ParkCo-founder & CTO, Brew

How to automate lifecycle emails from Stripe subscription events

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

Best email marketing tools with Stripe integration: Subscription events and automation compared

Sep 178 min read

Best email marketing tools with Stripe integration: Subscription events and automation compared

Compare Stripe email integrations on supported events, synced billing data, setup, and reminder eligibility. Brew, Sequenzy, Loops, and Customer.io.

Brew TeamBrew editorial team

Flows: 151 real email sequences your agent can read

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

Best platforms for marketing and transactional email (2026)

Sep 1610 min read

Best platforms for marketing and transactional email (2026)

The best platforms that send marketing and transactional email from one account, ranked November 2026: Brew, Loops, Brevo, Resend and SendGrid with prices.

Thomas ParkCo-founder & CTO, Brew

Best Resend alternatives for teams that also need marketing automation

Sep 158 min read

Best Resend alternatives for teams that also need marketing automation

Compare Resend alternatives for teams that need marketing automation and transactional email, with current features, pricing models, and tradeoffs.

Philip SørensenCo-founder & CEO, Brew

Best Loops alternatives for SaaS teams that need AI email design and automation

Sep 137 min read

Best Loops alternatives for SaaS teams that need AI email design and automation

Compare Loops alternatives for SaaS email design and automation. See Brew, Sequenzy, Customer.io, Resend and Userlist, with current capabilities and limits.

Brew TeamBrew editorial team

Best Customer.io alternatives for small SaaS teams

Sep 127 min read

Best Customer.io alternatives for small SaaS teams

Compare Customer.io alternatives for a small SaaS team, including Brew, Loops, Sequenzy, Userlist, and Resend. Features, limits, and pricing reviewed.

Thomas ParkCo-founder & CTO, Brew

5 best email automation tools for SaaS onboarding in 2026

Sep 119 min read

5 best email automation tools for SaaS onboarding in 2026

Compare Brew, ActiveCampaign, Customer.io, Resend and Loops for SaaS onboarding email: creating the emails, product-event triggers and testing the flow.

Philip SørensenCo-founder & CEO, Brew

Best HTML email builders for Figma users: Import, editing, and export compared

Sep 108 min read

Best HTML email builders for Figma users: Import, editing, and export compared

Designing email in Figma? Compare Brew, Email Love, Emailify and Stripo on how they read your frames, where you edit afterward, and where the HTML can go.

Brew TeamBrew editorial team

Sep 99 min read

4 best AI email builders for branded campaigns in 2026

Compare Brew, Klaviyo, HubSpot and Mailchimp for AI email creation: where each gets your brand, how you edit after the first draft, and how the email is sent.

Thomas ParkCo-founder & CTO, Brew

Best AI email marketing tools: Design, automation, and agent workflows compared

Sep 87 min read

Best AI email marketing tools: Design, automation, and agent workflows compared

What AI email marketing tools do in 2026: generate designs, draft automations and let agents operate your ESP. Tools compared by job.

Philip SørensenCo-founder & CEO, Brew

Best Mailchimp alternatives for AI email creation and lifecycle marketing

Sep 68 min read

Best Mailchimp alternatives for AI email creation and lifecycle marketing

Compare Mailchimp alternatives for AI email creation and lifecycle marketing, including Brew, Klaviyo, Kit, MailerLite, and ActiveCampaign.

Brew TeamBrew editorial team

HubSpot vs Mailchimp: compare the CRM and email work

Sep 53 min read

HubSpot vs Mailchimp: compare the CRM and email work

Choose between HubSpot and Mailchimp based on CRM coordination, email automation, plan requirements, and the cost of changing an existing workflow.

Thomas ParkCo-founder & CTO, Brew

Email marketing platforms compared: a buying checklist

Sep 43 min read

Email marketing platforms compared: a buying checklist

Compare email platforms through one realistic campaign and automation, including data ownership, pricing units, agent access, and migration work.

Philip SørensenCo-founder & CEO, Brew

Best email marketing software: choose by the work you need to do

Sep 34 min read

Best email marketing software: choose by the work you need to do

Compare Brew, Mailchimp, Klaviyo, Kit, HubSpot, and Loops by their documented workflows, with a practical shortlist and trial checklist.

Brew TeamBrew editorial team

How Harmonya turned a monthly newsletter into a lifecycle program

Sep 25 min read

How Harmonya turned a monthly newsletter into a lifecycle program

Noah Adelstein wrote up Cory Nelson at Harmonya. What we saw the morning after he signed up, and what the setup actually depends on.

Philip SørensenCo-founder & CEO, Brew

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

How to brief an email agent

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

The email canvas: compare drafts without losing the context

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

What is an AI-native ESP? Look at the workflow, not the label

Aug 283 min read

What is an AI-native ESP? Look at the workflow, not the label

Understand what an AI-native email platform can mean, how to evaluate agent workflows, and which responsibilities still belong to your team.

Philip SørensenCo-founder & CEO, Brew

Email marketing trends: the changes worth acting on in 2026

Aug 273 min read

Email marketing trends: the changes worth acting on in 2026

Review practical changes in AI-assisted production, agent access, measurement, and sender requirements without treating predictions as facts.

Brew TeamBrew editorial team

Email opens are a weak metric. Measure these instead

Data & Insights

Aug 264 min read

Email opens are a weak metric. Measure these instead

Apple Mail Privacy Protection inflated opens. Track clicks you trust, replies, conversions, and complaints. Here is how we classify a click.

Thomas ParkCo-founder & CTO, Brew

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

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

Email deliverability: diagnose the path to the inbox

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

Transactional emails: what they are and how to send them

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

AI email automation: signup, retention, and re-engagement

Aug 216 min read

AI email automation: signup, retention, and re-engagement

Use AI for signup, retention, and re-engagement email. Compare lifecycle tools and learn where your application must check current customer state.

Philip SørensenCo-founder & CEO, Brew

Triggered email automations: connect the event to the right message

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

Email marketing automation: plan the state checks before the sequence

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

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

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

Welcome email sequences: examples, timing, and eligibility

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

B2B email marketing: help the buyer make the next decision

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

Email marketing ROI: calculate profit before claiming a return

Data & Insights

Aug 146 min read

Email marketing ROI: calculate profit before claiming a return

Calculate email ROI with explicit costs, margin, and attribution assumptions, and separate attributed sales from incremental results.

Philip SørensenCo-founder & CEO, Brew

Email marketing statistics: which benchmarks deserve your trust?

Data & Insights

Aug 134 min read

Email marketing statistics: which benchmarks deserve your trust?

A guide to checking email benchmark sources, denominators, privacy effects, and attribution before using a statistic to set a target.

Brew TeamBrew editorial team

Email A/B testing: ask a question your data can answer

Aug 126 min read

Email A/B testing: ask a question your data can answer

Plan email experiments with a clear hypothesis, a meaningful metric, an adequate sample, and an honest interpretation of uncertain results.

Thomas ParkCo-founder & CTO, Brew

Newsletter best practices: make the next issue worth waiting for

Aug 113 min read

Newsletter best practices: make the next issue worth waiting for

Choose a clear newsletter promise, build a sustainable editorial rhythm, and use replies and meaningful actions to improve each issue.

Philip SørensenCo-founder & CEO, Brew

How to write marketing emails people can act on

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

Email subject lines: useful examples and how to test them

Aug 87 min read

Email subject lines: useful examples and how to test them

Write honest subject lines for announcements, onboarding, newsletters, and offers, then test them against useful outcomes rather than opens alone.

Thomas ParkCo-founder & CTO, Brew

Email segmentation: start with differences that change the message

Aug 77 min read

Email segmentation: start with differences that change the message

Use a small set of meaningful email segments, keep their data current, and distinguish audience rules from event payload filters.

Philip SørensenCo-founder & CEO, Brew

Email list building: earn the signup and keep the promise

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

Email marketing vs social media: give each channel a job

Aug 53 min read

Email marketing vs social media: give each channel a job

Compare email and social media by discovery, permission, cost, and measurement, then connect them without counting the same sale twice.

Thomas ParkCo-founder & CTO, Brew

Email marketing best practices worth keeping

Aug 43 min read

Email marketing best practices worth keeping

Ten practical checks for audience permission, useful copy, reliable delivery, and measuring email without chasing open rates.

Philip SørensenCo-founder & CEO, Brew

What is email marketing? A practical starting point

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

Your AI assistant can now work in Brew

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

Jun 155 min read

email-design.md: giving the email agent a brand brief

Why we moved Brew's brand context from a rigid object into an editable document that explains design choices as well as exact values.

Thomas ParkCo-founder & CTO, Brew

What we learned from hitting #1 on Product Hunt

Jun 24 min read

What we learned from hitting #1 on Product Hunt

Philip's account of Brew's May 2026 Product Hunt launch, the customer conversations that followed, and what the referral data can and cannot tell us.

Philip SørensenCo-founder & CEO, Brew

December 2025

Happy holidays from Brew

Dec 241 min read

Happy holidays from Brew

A Christmas Eve thank-you to the customers and collaborators who helped shape Brew in 2025.

Brew TeamBrew editorial team

October 2025

Introducing Brew: an AI email workspace

Oct 72 min read

Introducing Brew: an AI email workspace

Why we built Brew around a brand, a brief, and an editable email, with sending and export in the same workflow.

Brew TeamBrew editorial team