The CampGain Blog

Marketing that reaches every channel your customers read.

Practical guides on email marketing, SMS and WhatsApp campaigns, customer segmentation, and analytics — written for e-commerce teams who ship, not just plan.

Email Marketing Featured guide

Ecommerce Email Marketing: The Complete 2026 Guide

How to build an ecommerce email programme from scratch — sending setup, consent, campaigns vs. automated flows, personalization, and the metrics that show what is working.

AA
Arpit Anand · Deliverability Specialist 10 min read
Read the guide
SMS & WhatsApp
8 min read

WhatsApp Business API: A Practical Guide for Ecommerce

How the WhatsApp Business Platform actually works — the 24-hour window, template approval, per-message pricing by category, quality ratings, and how to use it without wasting money.

DK
Dipikesh Kumar
Campaign Strategy
9 min read

How to Build Multi-Channel Drip Campaigns That Convert

A practical framework for sequencing email, SMS/RCS, and WhatsApp into one campaign — which channel to use at each step, how long to wait, and what each one actually costs.

DK
Dipikesh Kumar
Audience Segmentation
8 min read

Ecommerce Customer Segmentation: A Practical Guide

How to build customer segments that change what you send — engagement tiers, RFM scoring, behavioural triggers, and the segments most stores should build first.

LA
Laxman Anand
Marketing Automation
9 min read

Ecommerce Marketing Automation: The Flows Playbook

How to design automated flows that hold up in production — triggers, delays, exit conditions, re-entry rules, and the six automations worth building before anything else.

LA
Laxman Anand
Analytics & Insights
9 min read

Campaign Analytics: The Metrics That Actually Predict Revenue

Which campaign metrics are worth reporting, why open rate and 'sent' both lie, how attribution really works, and how to build a dashboard that leads to decisions.

LA
Laxman Anand
Email Marketing
10 min read

Email Deliverability: How to Land in the Inbox, Not Spam

Why marketing emails go to spam and how to fix it — SPF, DKIM and DMARC setup, the Gmail and Yahoo bulk sender rules, warming a new domain, and diagnosing a live deliverability problem.

AA
Arpit Anand
SMS & WhatsApp
9 min read

SMS Marketing Compliance: TCPA, 10DLC and Global Rules

What ecommerce brands must get right before sending marketing texts — consent, opt-out handling, quiet hours, US carrier registration, and the rules outside the US.

DK
Dipikesh Kumar
Marketing Automation
8 min read

Email Personalization at Scale: What Actually Works

A practical guide to personalizing marketing at scale — merge variables and fallbacks, segment-level relevance, catalog-driven content, and where AI genuinely helps.

AA
Arpit Anand

CampGain is coming

In development

The playbooks on this blog are what we’re building into the product: one drip campaign, delivered over email, RCS/SMS, and WhatsApp, synced to your Shopify catalog.

Join the waitlist

Get in touch

Talk to a human

Join the waitlist to hear the moment we open, or write to us directly — questions about your channel setup, your Shopify store, or what we’re building are all welcome. We reply within one business day.

Join the waitlist → One short form. We’ll email you when the first stores get in — nothing else. Email us → campgain100@gmail.com