Robert Brandl's Articles
The Most Popular Email Service Providers (ESPs) in 2026
It is notoriously difficult to obtain reliable customer data for email service providers. In one of my more...
Best SEO Newsletters: 12 Top Reads for Staying Up to Date with Google
As a website dedicated to reviewing the top email marketing platforms, we face our fair share of challenges...
What is an SMTP Server? A Comprehensive Guide for Small Businesses
Setting up an email for your domain or just configuring Outlook for your address? Chances are you've encountered...
Zapier Email Automation: 3 Ways to Use it In Your Email Marketing Strategy
Zapier’s email marketing automation helps you to save time on managing your business and building your marketing funnel....
SaaS Email Marketing Examples: 8 Ideas to Kick-Start Your Customer-Focused Campaigns
When it comes to SaaS (Software as a Service) email marketing, there’s one mistake marketers keep making: not...
Email Subject Lines Character Limits: A Look At The Major Email Clients
How Long Can a Subject Line Be? This is a fairly common question and the answers can vary...
10+ Cold Email Statistics and Examples for 2026
Recently, I’ve been the victim of a cold email that made me follow a six-step process to unsubscribe....
Gmail and Yahoo Mail’s changes for email marketers (2024): How to make sure your emails get through
If your business sends a lot of emails, whether for transactional or marketing purposes, you might be concerned...
How to Create a Free Forwarding Address in Google Workspace (Without Paying for a New User)
At Tooltester, we use Google Workspace for our company emails. We've also published a full review and pricing...
