Redis for Queue Processing
AcelleMail's default queue driver is the database — fine for hobby installs, terrible for production. Switching to Redis cuts queue-dispatch...
2 9Knowledge Base
Everything you need to run AcelleMail in production.
Step-by-step tutorials for setup and deliverability, deep references for the REST API, and battle-tested playbooks for SaaS, e-commerce, and high-volume sending.
Most read
Docker Deployment Guide for AcelleMail
Containerised AcelleMail trades a small ergonomic cost (volumes, image rebuilds, patch flows) for dev/prod parity and clean image-tag rollba...
2 9Return-Path vs Envelope-Sender — What Each Does in AcelleMail
The "From" address recipients see isn't the address that handles bounces. That's the envelope-sender (also called the return-path or MAIL FR...
3 16Latest articles
SaaS & Multi-tenant
Sending Servers for a Plan: Shared Pool or Bring-Your-Own
Every plan in AcelleMail answers one question before a customer on it can send a single email: whose sending server moves the message? You — the admin — decide that on the plan's Sending Servers tab. There are exactly two answers, and a cus...
Read more →
Email Design & Content
Email Accessibility: WCAG Best Practices for Bulk Email
Roughly 15% of your subscribers have a permanent or situational disability that affects how they read email — screen reader users, low-vision readers, color-blind users, motor-impaired clickers, cognitive-load-sensitive readers. The Europea...
Read more →
Migration & Comparison
ConvertKit (Kit) → AcelleMail Migration — Visual Walkthrough
Export subscribers from ConvertKit (now Kit), import into AcelleMail in 6 clicks. Visual walkthrough on both sides with API-driven option.
Read more →
Migration & Comparison
ActiveCampaign → AcelleMail Migration — Visual Walkthrough
Export contacts from ActiveCampaign, import into AcelleMail in 6 clicks. UI walkthrough plus optional API migration for large accounts.
Read more →
Email Infrastructure
Choosing the Queue Driver: Database vs Redis vs SQS for AcelleMail
AcelleMail ships with `QUEUE_CONNECTION=database` as the default — and that's the right choice for installations up to ~500k emails per day. Past that threshold, database-queue contention starts to dominate worker time, and switching to Red...
Read more →
Developer Guide
AcelleMail Webhook Signature Verification and Replay Protection
When you receive a webhook from AcelleMail (or AcelleMail receives one from a third-party event source like Meta), the receiver has no built-in trust that the request came from where it claims. This guide walks the HMAC-SHA256 signature ver...
Read more →
Migration & Comparison
Klaviyo → AcelleMail Migration — Visual Walkthrough
Export your Klaviyo profiles as CSV, import into AcelleMail via the 6-click wizard. Visual walkthrough plus power-user API path for large Klaviyo accounts.
Read more →
Best Practices
AI-Assisted Email Copy — Without Sounding Like AI
AI tools can draft your first version 10× faster. They can also make your copy read like a textbook. This guide is the practical pattern: use AI for the draft, then surgically rewrite for your voice. With before/after examples.
Read more →
Best Practices
Writing Email for Skimmers — Structure That Survives 5-Second Reads
90% of recipients skim. They read for 5-10 seconds, scrolling fast, looking for the answer. Most emails are written for the 10% who read carefully — they fail with the skimmer majority. This guide is the skimmer-first structure.
Read more →
Best Practices
Subject Line Formulas That Consistently Work — The Testing Discipline
Stop guessing which formula will work. Test 2-3 per campaign + accumulate evidence. After 10-20 sends, you'll know YOUR audience's sweet spot. This guide is the testing discipline + result interpretation.
Read more →
Best Practices
Email Body Structure — The Hook · Value · CTA Framework
A simple 3-part framework that scales from 50-word notes to 500-word deep-dives. Hook earns attention. Value delivers the promise. CTA gets the action. This guide walks each piece with examples and AcelleMail builder integration.
Read more →
Best Practices
Re-Engagement Copy That Doesn't Feel Desperate
Subscribers go quiet. Most senders panic — sending escalating "we miss you!!!" emails. The truth: desperate-feeling re-engagement fails 5× more than honest, confident re-engagement. This guide is the calm-and-confident pattern.
Read more →