SaaS & Business Editor

Martin Keller

Martin writes for people who turn email marketing into a business: running it as a service for customers, plans and billing, branding, and moving over from other platforms.

Articles by Martin Keller (12)

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...

Jul 4, 2026 9 min read Beginner Amazon SES, Sendgrid, Mailgun 1 6

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.

Jul 4, 2026 4 min read Beginner Acellemail 6 28

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.

Jul 4, 2026 5 min read Beginner Acellemail 5 29

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.

Jul 4, 2026 5 min read Beginner Acellemail 4 19

Migration & Comparison

Brevo (Sendinblue) → AcelleMail Migration — Visual Walkthrough

Export contacts from Brevo, upload to AcelleMail in 6 clicks. UI walkthrough on both sides plus optional API-driven migration for large lists.

Jul 4, 2026 4 min read Beginner Acellemail 3 12

Migration & Comparison

MailerLite → AcelleMail Migration — Visual Walkthrough

Export subscribers from MailerLite, import into AcelleMail in 6 clicks. Visual walkthrough on both sides with API-driven option for large lists.

Jul 4, 2026 4 min read Beginner Acellemail 5 24

SaaS & Multi-tenant

Building Your Email Marketing SaaS

The technology side of an AcelleMail SaaS is solved. The hard part is the business: who you sell to, how you price, how you reach them, and how you keep them. This guide is the GTM + pricing playbook — opinionated, market-tested patterns fo...

Jul 3, 2026 10 min read Advanced Acellemail 1 6

SaaS & Multi-tenant

How to create a subscription plan for your customers

Package what your customers get and pay for. Create a subscription plan in the admin panel — set its price, credits, quotas, and features — and make it available to customers at signup.

May 26, 2026 5 min read Intermediate Multi Tenant 27 9

SaaS & Multi-tenant

White-Label Customization Guide for AcelleMail

AcelleMail's Extended License allows full re-branding — every "AcelleMail" reference can be replaced with your brand name, every screen recoloured, every customer email sent from your domain. This guide walks every customisation point: bran...

May 25, 2026 11 min read Intermediate Acellemail 1 6

SaaS & Multi-tenant

Setting Up AcelleMail as a SaaS Platform

AcelleMail can be operated as a multi-tenant SaaS where each customer signs up, picks a plan, pays via Stripe, and gets an isolated workspace (lists, campaigns, automations, sending quotas). This guide walks the end-to-end setup: Extended L...

Jan 26, 2026 11 min read Advanced Acellemail 1 5

Migration & Comparison

Mailchimp → AcelleMail Migration — A Visual Walkthrough

Export contacts from Mailchimp's Audience screen, import into AcelleMail in 6 clicks. This guide covers the UI on both sides; advanced API-driven migration in the collapsible section for power users.

Jan 9, 2026 5 min read Beginner Acellemail 5 19

SaaS & Multi-tenant

Subscription Plan Design Strategy

The plans you offer drive your revenue more than any other product decision. Too many plans confuse buyers; too few leave revenue on the table. This guide walks the three-tier model (Starter / Growth / Pro) that 80% of email-marketing SaaS...

Jan 8, 2026 8 min read Intermediate Acellemail 1 6

Articles by Martin Keller (12)

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