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Email marketing best practices & tips

How to Grow Ecommerce Sales Without Increasing Your Ad Spend

Every ecommerce brand eventually runs into the same math problem: acquisition costs keep climbing, ad platforms keep changing their rules, and revenue growth starts costing more than it did a year ago just to stay flat. Paid ads still have

How to Build an Email Campaign That’s Fully Optimized for Mobile

As an email marketing agency working across ecommerce, healthcare and B2B accounts, we open a lot of client campaigns on a phone before we open them anywhere else. That's usually where the problems show up first, and it's usually where brands

Post-Purchase Email Guide: Types, Timing & 12 Examples

At InboxArmy, we build post-purchase emails for ecommerce brands across nearly every category, and the pattern is always the same. Brands pour their budget into acquisition, land the first sale, then send a confirmation email and go quiet. That silence

Mailtrap vs SendGrid vs Mailgun: Best SMTP Services Compared

Roughly 376 billion emails are sent and received globally every day. A meaningful share of those are transactional - password resets, order confirmations, shipping alerts - emails users actually expect and open. For developers and dev-led teams responsible for sending

Email Drip Campaigns: Everything You Need to Know

What Is an Email Drip Campaign? An email drip campaign is a series of pre-written, automated emails that get triggered by a specific subscriber action and sent out over a defined period, rather than all at once. The trigger might

Ecommerce Email List Building: 9 Strategies That Work

Introduction Ask any ecommerce marketer who has been around long enough to watch a Facebook algorithm update gut their organic reach overnight, and they will tell you the same thing: email is the one channel worth building on. Your Instagram

Email Marketing Laws Every Marketer Needs to Know in 2026

Why Email Marketing Compliance Matters Email marketing compliance has three requirements: collect subscriber data properly, send commercial messages within the rules, and give people a clean opt-out. When compliance gaps appear, you're looking at fines, domain blocking, and deliverability collapse.

How to Hire an Email Marketing Agency: The Complete Guide

Whether you're a founder trying to unlock email as a revenue channel, a marketing lead evaluating agencies after an underperforming year, or a CMO looking to replace a partner that never delivered — this guide gives you a clear, honest

How to Measure Email Marketing Agency ROI: A Complete Framework

When you hire an email marketing agency, they’ll show you copious amounts of data - email metrics, campaign performance, and all sorts of reports. Not all of it shows whether your email marketing ROI is improving. Performance actually depends on

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“We looked at 16 different agencies, interviewed 8 of them and selected InboxArmy as number 1 pick.”

We hired InboxArmy to redesign Salesforce Marketing Cloud emails. The goal was to create a new master template that matched branding using industry best practices. After we signed the SOW, we had a couple discovery calls, submitted our brief and branding document. Once we were on the same page, InboxArmy did design in batches, we had 3 rounds of reviews and once all was finalized IA coded and implemented the templates for us in MC.

During discovery calls, members of IA were present (covering design and coding). After that we always communicated with our representative, Charlie. Being able to understand branding and our needs, design capabilities, coding pace, responsiveness and always willing to go step beyond for this project.

Felt like IA and we were on the same team.

Barbara Puszkiewicz-Cimino

Associate Director

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