AcelleMail Knowledge Base

SaaS & Multi-tenant

Building Your Email Marketing SaaS

Use AcelleMail's Extended License to launch a multi-tenant email marketing SaaS — setup, plans, and onboarding.

Guide 1 min read Jan 04, 2026

Sending & Deliverability

Email Throttling and Rate Limits Explained

Each ESP and ISP enforces its own sending rate limits. Learn the per-provider limits and how to configure throttling in AcelleMail to stay within them.

Guide 2 min read Jan 03, 2026

Integrations

WooCommerce Post-Purchase Emails

Trigger AcelleMail automations after a WooCommerce order — confirmation, review requests, and upsell sequences.

Tutorial 1 min read Jan 03, 2026

Email Marketing

Email Preheader Text: The Hidden Conversion Booster

The preheader is the second line of text subscribers see before opening your email. Learn what it is, how to set it, and how to write preheaders that boost open rates.

Guide 3 min read Dec 31, 2025

SaaS & Multi-tenant

Subscription Plan Design Strategy

Design effective pricing tiers for your email SaaS — feature gates, upgrade triggers, and common pitfalls.

Guide 2 min read Dec 30, 2025

Developer Guide

Getting Started with the AcelleMail REST API

Authenticate and make your first API calls to manage subscribers, campaigns, and automations programmatically.

Tutorial 2 min read Dec 29, 2025

AcelleMail Updates

What's New in AcelleMail 5.2

AcelleMail 5.2 ships AI-assisted writing, improved segmentation, and a refreshed template library.

Announcement 2 min read Dec 24, 2025

List Management

Advanced Segmentation Strategies

Create powerful subscriber segments based on behavior, demographics, and engagement to send targeted emails.

Guide 2 min read Dec 22, 2025

DNS & Domain Setup

Complete DNS Setup for Email Sending

All the DNS records you need to configure for proper email delivery: SPF, DKIM, DMARC, MX, and more.

Reference 2 min read Dec 21, 2025

Server Management

Scaling for 100K+ Emails Per Day

Tune queue workers, MySQL, and PHP-FPM to handle high-volume campaign sends without degrading server stability or delivery speed.

Guide 1 min read Dec 20, 2025

Installation & Setup

Installing AcelleMail on DigitalOcean

Step-by-step guide to provisioning a DigitalOcean Droplet and installing AcelleMail on a fresh Ubuntu 22.04 LEMP stack.

Tutorial 2 min read Dec 18, 2025

List Management

Importing Contacts: CSV Best Practices and Field Mapping

Import contacts into AcelleMail correctly the first time. Learn CSV formatting, field mapping, duplicate handling, and consent considerations.

Tutorial 4 min read Dec 13, 2025