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Mailbase Resources

A practical map of the most important Mailbase pages for humans, search engines, and agents trying to understand the product.

Think of this page as the table of contents for everything Mailbase publishes. The bands below group our guides, docs, and comparisons by intent — where to start, what shipped recently, how the product works operationally, and how it stacks up against other tools — so you can jump straight to the resource that matches the question you have right now. Whether you’re evaluating Mailbase, wiring up useSend, or tightening deliverability, the right page is one click away.

New to the product? Begin with the “Start Here” band for the fundamentals of self-hosted email and domain authentication, then move into product workflows and the useSend integration. Already running it? The operational docs, deployment guides, and transactional email references go deeper on the day-to-day. Everything links back to a focused page, so you never have to guess where a topic lives.

Prefer to browse by format instead of topic? Guides explain a concept end to end, operational docs cover setup and day-to-day tasks, and comparison pages help you choose between tools. Agents and search crawlers can use this same structure to understand how Mailbase fits together, which is why every band links to a single canonical page per topic. If you can’t find what you need here, the blog index and changelog cover newer material as it ships.

Start Here

What Is useSend? Open-Source Email for Builders
A practical explanation of useSend, the self-hosted email problem it solves, and how builder-led teams should evaluate it.
Self-Hosted Email Marketing Software: What You Need to Know
The honest guide to self-hosted email marketing software and platforms — the three layers you run yourself, the open-source applications for each, the deliverability work you can't outsource, and when it's worth it versus a SaaS.
SPF, DKIM, and DMARC Explained Simply
SPF, DKIM, and DMARC explained in plain English: what each record does, how they work together to authenticate your email, how to set them up, and the common mistakes that break them.

Product Updates

Mailbase Changelog
Dated product notes for shipped email workflow, API, MCP, compliance, template, and public-site improvements.

Operational Docs

Cron Setup For Send Jobs And Workflows
Configure the recurring Mailbase cron endpoints that enqueue scheduled campaigns, process durable send-job batches, and run due workflow steps.
Unsubscribe And Compliance Controls
How Mailbase signs unsubscribe links, enforces suppression states, adds List-Unsubscribe headers, and keeps marketing sends compliant.
API Tokens And Scopes
Create, scope, rotate, and verify Mailbase API tokens for workspace-safe backend integrations.
Sender Domains And Verification
Connect sender domains, understand hosted versus BYO useSend sending, and keep SPF, DKIM, and DMARC status visible in Mailbase.
MCP OAuth Setup
Connect Claude, Cursor, Codex, or another MCP client to Mailbase with OAuth-scoped workspace access.

Product Workflows

Reply Inbox Email Workflow in Mailbase
A product guide to the Mailbase reply inbox for teams that want campaign replies, support context, and follow-up work in one place.
Scheduled Email Campaigns in Mailbase
A product guide to scheduled campaigns now that Mailbase can schedule, reschedule, cancel, and execute sends through durable jobs.
Durable Email Send Jobs in Mailbase
A product guide to Mailbase's durable send-job pipeline for reliable campaign launches and scheduled sends.
AI Email Task Workflow in Mailbase
A product guide to Mailbase's AI task queue, MCP completion flow, review history, and apply actions.
AI/MCP Email Workflow in Mailbase
A product guide to Mailbase's MCP server, AI task queue, OAuth-scoped workspace access, and review-first AI workflow.
Transactional Email API Service in Mailbase
A product guide to Mailbase's `/api/v1/send` endpoint and developer platform controls for transactional email.
Mailbase Deliverability Controls
A product guide to the deliverability controls Mailbase exposes across sending, analytics, compliance, and Settings.

useSend

How to Connect useSend to Mailbase
A careful useSend-to-Mailbase setup guide that separates hosted sending from the BYO useSend workflow.
A Practical useSend Self-Hosted Email Stack
A stack guide for builders running useSend on their own infrastructure.
Best useSend Integrations for SaaS Teams
What to connect around useSend: workflow tools, dashboards, analytics, DNS, and Mailbase.

Server Deployments

Coolify Email Marketing Stack for Small SaaS Projects
How to run an email marketing stack on Coolify: the one-click services that fit, how they connect to SES, the deliverability work Coolify doesn't do, and where a workflow layer fits.
Railway useSend Email Stack for Fast Deployment
How to run useSend on Railway for a fast email stack: the deploy path, managed Postgres/Redis, connecting Amazon SES, costs, and where a Mailbase workflow layer fits.
Email Marketing Tools for VPS Owners
If you own a VPS, here are the email marketing tools that fit, the DNS and SMTP-relay responsibilities a VPS gives you, and the one thing you should not do with it (run an MTA).

Pricing

Cheap Email Marketing Tools for Developers
The genuinely cheap email marketing options for developers — Amazon SES, self-hosted useSend, free tiers, and where the real costs hide — plus how to keep costs low as you scale.
Email Marketing Costs for SaaS: Where the Money Goes
A breakdown of what SaaS email actually costs — sending, contacts/seats, workflow tooling, deliverability, and people — and the pricing models that quietly scale your bill.
useSend vs Resend Pricing: Ownership vs Convenience
useSend vs Resend on price: the self-hosted (server + SES) cost model versus a hosted per-email subscription, where the break-even sits, and which fits your stage.

Transactional Email

Transactional Email API Service in Mailbase
A product guide to Mailbase's `/api/v1/send` endpoint and developer platform controls for transactional email.
Transactional Email for SaaS: The Practical Guide
A practical guide to transactional email for SaaS: what counts as transactional, choosing an API or SMTP provider, templates, deliverability, idempotency, and the operations that keep critical mail flowing.
Email API vs SMTP: Which Should You Use?
Email API vs SMTP compared for SaaS: how each works, reliability, speed, debugging, features, and portability — plus why many teams use both.
AWS SES Email Stack for SaaS Builders
How to think about Amazon SES as part of a SaaS email stack: what SES is and isn't, the layers you build on top of it, the sandbox/SNS setup, and where it fits versus a full API.

Comparisons

Mailbase vs Resend
A fair comparison for teams choosing between Resend and Mailbase's workflow-first positioning.
Mailbase vs Mailchimp
A fair comparison for teams choosing between Mailchimp and a focused Mailbase email workflow.
Mailbase vs Brevo
A fair comparison for teams choosing between Brevo's broader platform and Mailbase's focused email workflow.
Mailbase vs Customer.io
A fair comparison for teams choosing between Customer.io's lifecycle journey tooling and Mailbase's focused email workflow.
Mailbase vs Loops
A fair comparison for SaaS teams choosing between Loops and Mailbase.
Mailbase vs Buttondown
A fair comparison for builders choosing between Buttondown's newsletter focus and Mailbase's broader email workflow.
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