Email Marketing for Agencies: 5 Best Tools in 2025

Email marketing is one of the most tried and tested options when it comes to promoting any type of business. But because there are so many apps, features, and pricing plans to choose from, it can get a bit confusing to select the best tool that can help you achieve your business marketing goals.

Whether you’re interested in getting started with email marketing today or just want to switch to a more suitable tool for your needs, we’ve got you covered. In this article, we’ll explore our top 5 most recommended email marketing software for agencies and their different features.

What are the Features of an Effective Email Marketing Software?

The best email marketing software isn’t always going to be the most popular or the most expensive one on the market. In the end, it all boils down to the functionalities that meet your unique needs.

However, you still have to look out for certain key features to enjoy an advanced and effective email marketing tool. These features can ensure efficiency, ease of use, and most importantly, lasting results. These include:

1. Design Templates

Email templates are a helpful tool for ensuring personalized and visually pleasing email copies. While most email marketing tools already have built-in templates for different uses, we highly recommend choosing a platform that has an extensive list of templates for more efficient email campaigns.

1. Content Planner

A content planner helps ensure that you are keeping in line with your marketing goals by assisting with organization and scheduling. This feature can be highly advantageous not just for email campaigns, but also for organizing your overall marketing plans. 

1. AI Tools

AI tools can come in handy by helping save time on designing or writing content. For email marketing in particular, AI can help with coming up with creating subject lines or even personalized email content for different customers. 

1. Analytics Reports

Despite email marketing being a tried and tested means for promotion, it always helps to see concrete evidence of your marketing campaigns taking effect. With apps that come with a built-in tool for generating analytics reports, you can easily track which campaigns work better than others. 

The Top Email Marketing Software for Agencies

Here is a list of our top recommended email marketing software for agencies in 2025, as well as their different features and the pros and cons of each:

1. MailerLite

Overview

MailerLite is an online software that also functions as an email marketing tool and a website builder. With its simple interface, users can easily design email campaigns via its basic drag & drop editor, rich-text editor, or more advanced custom HTML editor. 

Email Marketing Features

• Drag & drop editor

• Comparative reporting

• Smart sending

• Promotion pop-ups

Pros and Cons

1. Constant Contact

Overview

Constant Contact is another marketing platform that can help users with a variety of needs, from email marketing to SMS marketing. Despite being one of the pricier options in our list of recommendations, Constant Contact remains a comprehensive tool for digital marketing. 

Email Marketing Features

• Email scheduling

• Email templates

• Reporting

• AI campaign builder

Pros and Cons

1. Moosend

Overview

Moosend is an email marketing platform that’s fairly affordable yet highly effective. While the tool may be too basic for more advanced or long-time marketers, the platform offers essential email marketing features like automation, landing pages, and templates for running campaigns.

Email Marketing Features

• Subscription forms

• SMTP Server

• Landing Pages

• Email templates

Pros and Cons

1. Brevo

Best For

Formerly known as Sendinblue, Brevo is both a marketing and CRM tool that helps businesses with multi-channel marketing. One of the more popular options in our recommendations. Brevo features a simple-to-use dashboard where you can track different campaigns, automations, and conversations all in one place.

Email Marketing Features

• Reporting & analytics

• Predictive sending

• A/B testing

• Multi-user access

Pros and Cons

1. PosterMyWall

Overview

PosterMyWall is an all-in-one email marketing tool that’s one of the most user-friendly yet comprehensive software platforms on the market. With its extensive library of email templates and different AI features, such as its AI writer, PosterMyWall is a great pick for businesses looking for an effective yet easy-to-navigate email marketing tool.

Not only that, but agencies can also highly benefit from PosterMyWall’s various uses, including its features that can help with online designs and social media management. 

Email Marketing Features

• 3,330+ Email Templates

• Analytics reporting

• Sign-up forms

• Merge tags for more personalized email copies

• AI Writer for subject lines

• Content Planner for easy organization

Pros and Cons

The Best Email Marketing Tools: Price Comparison

While it’s important to consider the different features as well as the pros and cons of each email marketing software, it’s also important to review each app’s different pricing plans and whether they offer a free version or trial to get started before fully committing.

For your reference, here is a breakdown of the different pricing points of our top email marketing software in 2025:

Which is the Best Email Marketing Software?

While there is no one-size-fits-all answer for the best email marketing software on the market, it’s worth noting that there are some apps that excel at certain features better than others and vice versa. 

For instance, MailerLite can work better for users who are more into customizing email copies, while Constant Contact is a great choice for businesses that rely heavily on team collaboration when it comes to email campaigns. Alternatively, Brevo features more advanced analytics reports, while Moosend is one of the most affordable and cost-efficient options for email marketing.

However, if you’re looking for an email marketing software that’s user-friendly, affordable, and can help with other uses such as social media management and online designs, we recommend PosterMyWall for its versatility and straightforward design. 

Of course, your mileage will always vary in terms of the app that can best suit your needs, so it’s a good idea to review each app’s different pros and cons before deciding on your top pick.

Get Started with Email Marketing Today

In today’s fast-paced business landscape, it’s crucial to keep up with the varying demands of consumers to ensure your business’s success. That’s where email marketing comes in handy. By leveraging the different email marketing software available, you can get started with expanding your audience reach and take your business to new heights.